Home / 10,925.52-15,077.34-6,209.88

Finding the Fourth Proportional to 10,925.52, 15,077.34 and 6,209.88

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Solution

The fourth proportional to 10,925.52, 15,077.34 and 6,209.88 is: 8,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.52 : 15,077.34 = 6,209.88 : x
  2. Step 2: Convert to fraction form
    10,925.52/15,077.34 = 6,209.88/x
  3. Step 3: Cross multiply
    10,925.52x = 15,077.34 × 6,209.88
  4. Step 4: Simplify right side
    10,925.52x = 93,628,472.12
  5. Step 5: Solve for x
    x = 93,628,472.12/10,925.52
  6. Step 6: Final answer
    x = 8,569.70

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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.