Home / 10,500.76-15,746.68-4,262.16

Finding the Fourth Proportional to 10,500.76, 15,746.68 and 4,262.16

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Solution

The fourth proportional to 10,500.76, 15,746.68 and 4,262.16 is: 6,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.76 : 15,746.68 = 4,262.16 : x
  2. Step 2: Convert to fraction form
    10,500.76/15,746.68 = 4,262.16/x
  3. Step 3: Cross multiply
    10,500.76x = 15,746.68 × 4,262.16
  4. Step 4: Simplify right side
    10,500.76x = 67,114,869.63
  5. Step 5: Solve for x
    x = 67,114,869.63/10,500.76
  6. Step 6: Final answer
    x = 6,391.43

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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.