Home / 10,707.60-16,061.52-5,159.76

Finding the Fourth Proportional to 10,707.60, 16,061.52 and 5,159.76

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Solution

The fourth proportional to 10,707.60, 16,061.52 and 5,159.76 is: 7,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.60 : 16,061.52 = 5,159.76 : x
  2. Step 2: Convert to fraction form
    10,707.60/16,061.52 = 5,159.76/x
  3. Step 3: Cross multiply
    10,707.60x = 16,061.52 × 5,159.76
  4. Step 4: Simplify right side
    10,707.60x = 82,873,588.44
  5. Step 5: Solve for x
    x = 82,873,588.44/10,707.60
  6. Step 6: Final answer
    x = 7,739.70

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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.