Home / 10,283.20-15,427.20-3,710.08

Finding the Fourth Proportional to 10,283.20, 15,427.20 and 3,710.08

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Solution

The fourth proportional to 10,283.20, 15,427.20 and 3,710.08 is: 5,565.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.20 : 15,427.20 = 3,710.08 : x
  2. Step 2: Convert to fraction form
    10,283.20/15,427.20 = 3,710.08/x
  3. Step 3: Cross multiply
    10,283.20x = 15,427.20 × 3,710.08
  4. Step 4: Simplify right side
    10,283.20x = 57,236,146.18
  5. Step 5: Solve for x
    x = 57,236,146.18/10,283.20
  6. Step 6: Final answer
    x = 5,565.99

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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.