Home / 10,972.60-16,437.30-7,473.40

Finding the Fourth Proportional to 10,972.60, 16,437.30 and 7,473.40

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Solution

The fourth proportional to 10,972.60, 16,437.30 and 7,473.40 is: 11,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.60 : 16,437.30 = 7,473.40 : x
  2. Step 2: Convert to fraction form
    10,972.60/16,437.30 = 7,473.40/x
  3. Step 3: Cross multiply
    10,972.60x = 16,437.30 × 7,473.40
  4. Step 4: Simplify right side
    10,972.60x = 122,842,517.82
  5. Step 5: Solve for x
    x = 122,842,517.82/10,972.60
  6. Step 6: Final answer
    x = 11,195.39

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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.