Home / 7,888.11-10,885.54-4,303.05

Finding the Fourth Proportional to 7,888.11, 10,885.54 and 4,303.05

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Solution

The fourth proportional to 7,888.11, 10,885.54 and 4,303.05 is: 5,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.11 : 10,885.54 = 4,303.05 : x
  2. Step 2: Convert to fraction form
    7,888.11/10,885.54 = 4,303.05/x
  3. Step 3: Cross multiply
    7,888.11x = 10,885.54 × 4,303.05
  4. Step 4: Simplify right side
    7,888.11x = 46,841,022.90
  5. Step 5: Solve for x
    x = 46,841,022.90/7,888.11
  6. Step 6: Final answer
    x = 5,938.18

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Half scale
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Double scale
Find fourth proportional to 7,889.11, 10,886.92 and 4,304.05
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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.