Home / 12,248.87-16,901.56-7,213.30

Finding the Fourth Proportional to 12,248.87, 16,901.56 and 7,213.30

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Solution

The fourth proportional to 12,248.87, 16,901.56 and 7,213.30 is: 9,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.87 : 16,901.56 = 7,213.30 : x
  2. Step 2: Convert to fraction form
    12,248.87/16,901.56 = 7,213.30/x
  3. Step 3: Cross multiply
    12,248.87x = 16,901.56 × 7,213.30
  4. Step 4: Simplify right side
    12,248.87x = 121,916,084.58
  5. Step 5: Solve for x
    x = 121,916,084.58/12,248.87
  6. Step 6: Final answer
    x = 9,953.25

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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.