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Finding the Fourth Proportional to 7,891.16, 10,810.73 and 7,595.72

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Solution

The fourth proportional to 7,891.16, 10,810.73 and 7,595.72 is: 10,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.16 : 10,810.73 = 7,595.72 : x
  2. Step 2: Convert to fraction form
    7,891.16/10,810.73 = 7,595.72/x
  3. Step 3: Cross multiply
    7,891.16x = 10,810.73 × 7,595.72
  4. Step 4: Simplify right side
    7,891.16x = 82,115,278.08
  5. Step 5: Solve for x
    x = 82,115,278.08/7,891.16
  6. Step 6: Final answer
    x = 10,405.98

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Half scale
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Double scale
Find fourth proportional to 7,892.16, 10,812.10 and 7,596.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.