Home / 10,657.90-15,986.85-10,053.10

Finding the Fourth Proportional to 10,657.90, 15,986.85 and 10,053.10

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Solution

The fourth proportional to 10,657.90, 15,986.85 and 10,053.10 is: 15,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.90 : 15,986.85 = 10,053.10 : x
  2. Step 2: Convert to fraction form
    10,657.90/15,986.85 = 10,053.10/x
  3. Step 3: Cross multiply
    10,657.90x = 15,986.85 × 10,053.10
  4. Step 4: Simplify right side
    10,657.90x = 160,717,401.74
  5. Step 5: Solve for x
    x = 160,717,401.74/10,657.90
  6. Step 6: Final answer
    x = 15,079.65

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Double scale
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Similar ratio
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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.