Home / 10,318.50-15,471.72-4,071.24

Finding the Fourth Proportional to 10,318.50, 15,471.72 and 4,071.24

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Solution

The fourth proportional to 10,318.50, 15,471.72 and 4,071.24 is: 6,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.50 : 15,471.72 = 4,071.24 : x
  2. Step 2: Convert to fraction form
    10,318.50/15,471.72 = 4,071.24/x
  3. Step 3: Cross multiply
    10,318.50x = 15,471.72 × 4,071.24
  4. Step 4: Simplify right side
    10,318.50x = 62,989,085.33
  5. Step 5: Solve for x
    x = 62,989,085.33/10,318.50
  6. Step 6: Final answer
    x = 6,104.48

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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.