Home / 7,415.81-10,226.13-6,357.26

Finding the Fourth Proportional to 7,415.81, 10,226.13 and 6,357.26

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Solution

The fourth proportional to 7,415.81, 10,226.13 and 6,357.26 is: 8,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.81 : 10,226.13 = 6,357.26 : x
  2. Step 2: Convert to fraction form
    7,415.81/10,226.13 = 6,357.26/x
  3. Step 3: Cross multiply
    7,415.81x = 10,226.13 × 6,357.26
  4. Step 4: Simplify right side
    7,415.81x = 65,010,116.07
  5. Step 5: Solve for x
    x = 65,010,116.07/7,415.81
  6. Step 6: Final answer
    x = 8,766.43

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.