Home / 11,123.16-15,350.52-6,343.24

Finding the Fourth Proportional to 11,123.16, 15,350.52 and 6,343.24

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Solution

The fourth proportional to 11,123.16, 15,350.52 and 6,343.24 is: 8,753.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.16 : 15,350.52 = 6,343.24 : x
  2. Step 2: Convert to fraction form
    11,123.16/15,350.52 = 6,343.24/x
  3. Step 3: Cross multiply
    11,123.16x = 15,350.52 × 6,343.24
  4. Step 4: Simplify right side
    11,123.16x = 97,372,032.48
  5. Step 5: Solve for x
    x = 97,372,032.48/11,123.16
  6. Step 6: Final answer
    x = 8,753.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.