Home / 38,870.28-58,304.61-11,168.28

Finding the Fourth Proportional to 38,870.28, 58,304.61 and 11,168.28

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Solution

The fourth proportional to 38,870.28, 58,304.61 and 11,168.28 is: 16,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,870.28 : 58,304.61 = 11,168.28 : x
  2. Step 2: Convert to fraction form
    38,870.28/58,304.61 = 11,168.28/x
  3. Step 3: Cross multiply
    38,870.28x = 58,304.61 × 11,168.28
  4. Step 4: Simplify right side
    38,870.28x = 651,162,209.77
  5. Step 5: Solve for x
    x = 651,162,209.77/38,870.28
  6. Step 6: Final answer
    x = 16,752.19

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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.