Home / 10,607.40-15,916.56-4,372.02

Finding the Fourth Proportional to 10,607.40, 15,916.56 and 4,372.02

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Solution

The fourth proportional to 10,607.40, 15,916.56 and 4,372.02 is: 6,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.40 : 15,916.56 = 4,372.02 : x
  2. Step 2: Convert to fraction form
    10,607.40/15,916.56 = 4,372.02/x
  3. Step 3: Cross multiply
    10,607.40x = 15,916.56 × 4,372.02
  4. Step 4: Simplify right side
    10,607.40x = 69,587,518.65
  5. Step 5: Solve for x
    x = 69,587,518.65/10,607.40
  6. Step 6: Final answer
    x = 6,560.28

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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.