Home / 10,901.70-16,388.55-9,476.10

Finding the Fourth Proportional to 10,901.70, 16,388.55 and 9,476.10

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Solution

The fourth proportional to 10,901.70, 16,388.55 and 9,476.10 is: 14,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.70 : 16,388.55 = 9,476.10 : x
  2. Step 2: Convert to fraction form
    10,901.70/16,388.55 = 9,476.10/x
  3. Step 3: Cross multiply
    10,901.70x = 16,388.55 × 9,476.10
  4. Step 4: Simplify right side
    10,901.70x = 155,299,538.66
  5. Step 5: Solve for x
    x = 155,299,538.66/10,901.70
  6. Step 6: Final answer
    x = 14,245.44

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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.