Home / 10,592.78-15,890.99-4,356.18

Finding the Fourth Proportional to 10,592.78, 15,890.99 and 4,356.18

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Solution

The fourth proportional to 10,592.78, 15,890.99 and 4,356.18 is: 6,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,592.78 : 15,890.99 = 4,356.18 : x
  2. Step 2: Convert to fraction form
    10,592.78/15,890.99 = 4,356.18/x
  3. Step 3: Cross multiply
    10,592.78x = 15,890.99 × 4,356.18
  4. Step 4: Simplify right side
    10,592.78x = 69,223,991.04
  5. Step 5: Solve for x
    x = 69,223,991.04/10,592.78
  6. Step 6: Final answer
    x = 6,535.02

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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.