Home / 11,451.49-15,803.45-10,926.61

Finding the Fourth Proportional to 11,451.49, 15,803.45 and 10,926.61

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Solution

The fourth proportional to 11,451.49, 15,803.45 and 10,926.61 is: 15,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.49 : 15,803.45 = 10,926.61 : x
  2. Step 2: Convert to fraction form
    11,451.49/15,803.45 = 10,926.61/x
  3. Step 3: Cross multiply
    11,451.49x = 15,803.45 × 10,926.61
  4. Step 4: Simplify right side
    11,451.49x = 172,678,080.17
  5. Step 5: Solve for x
    x = 172,678,080.17/11,451.49
  6. Step 6: Final answer
    x = 15,079.09

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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.