Home / 10,247.52-15,383.43-8,624.28

Finding the Fourth Proportional to 10,247.52, 15,383.43 and 8,624.28

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Solution

The fourth proportional to 10,247.52, 15,383.43 and 8,624.28 is: 12,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.52 : 15,383.43 = 8,624.28 : x
  2. Step 2: Convert to fraction form
    10,247.52/15,383.43 = 8,624.28/x
  3. Step 3: Cross multiply
    10,247.52x = 15,383.43 × 8,624.28
  4. Step 4: Simplify right side
    10,247.52x = 132,671,007.68
  5. Step 5: Solve for x
    x = 132,671,007.68/10,247.52
  6. Step 6: Final answer
    x = 12,946.65

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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.