Home / 11,260.58-15,543.98-10,079.60

Finding the Fourth Proportional to 11,260.58, 15,543.98 and 10,079.60

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Solution

The fourth proportional to 11,260.58, 15,543.98 and 10,079.60 is: 13,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.58 : 15,543.98 = 10,079.60 : x
  2. Step 2: Convert to fraction form
    11,260.58/15,543.98 = 10,079.60/x
  3. Step 3: Cross multiply
    11,260.58x = 15,543.98 × 10,079.60
  4. Step 4: Simplify right side
    11,260.58x = 156,676,972.69
  5. Step 5: Solve for x
    x = 156,676,972.69/11,260.58
  6. Step 6: Final answer
    x = 13,913.76

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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.