Home / 10,549.38-15,824.05-4,312.32

Finding the Fourth Proportional to 10,549.38, 15,824.05 and 4,312.32

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Solution

The fourth proportional to 10,549.38, 15,824.05 and 4,312.32 is: 6,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.38 : 15,824.05 = 4,312.32 : x
  2. Step 2: Convert to fraction form
    10,549.38/15,824.05 = 4,312.32/x
  3. Step 3: Cross multiply
    10,549.38x = 15,824.05 × 4,312.32
  4. Step 4: Simplify right side
    10,549.38x = 68,238,367.30
  5. Step 5: Solve for x
    x = 68,238,367.30/10,549.38
  6. Step 6: Final answer
    x = 6,468.47

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1.5x scale

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.