Home / 10,123.02-15,184.62-3,549.20

Finding the Fourth Proportional to 10,123.02, 15,184.62 and 3,549.20

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Solution

The fourth proportional to 10,123.02, 15,184.62 and 3,549.20 is: 5,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.02 : 15,184.62 = 3,549.20 : x
  2. Step 2: Convert to fraction form
    10,123.02/15,184.62 = 3,549.20/x
  3. Step 3: Cross multiply
    10,123.02x = 15,184.62 × 3,549.20
  4. Step 4: Simplify right side
    10,123.02x = 53,893,177.38
  5. Step 5: Solve for x
    x = 53,893,177.38/10,123.02
  6. Step 6: Final answer
    x = 5,323.82

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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.