Home / 10,459.01-15,685.17-3,437.40

Finding the Fourth Proportional to 10,459.01, 15,685.17 and 3,437.40

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Solution

The fourth proportional to 10,459.01, 15,685.17 and 3,437.40 is: 5,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.01 : 15,685.17 = 3,437.40 : x
  2. Step 2: Convert to fraction form
    10,459.01/15,685.17 = 3,437.40/x
  3. Step 3: Cross multiply
    10,459.01x = 15,685.17 × 3,437.40
  4. Step 4: Simplify right side
    10,459.01x = 53,916,203.36
  5. Step 5: Solve for x
    x = 53,916,203.36/10,459.01
  6. Step 6: Final answer
    x = 5,155.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.