Home / 10,824.12-14,947.40-7,966.44

Finding the Fourth Proportional to 10,824.12, 14,947.40 and 7,966.44

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Solution

The fourth proportional to 10,824.12, 14,947.40 and 7,966.44 is: 11,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.12 : 14,947.40 = 7,966.44 : x
  2. Step 2: Convert to fraction form
    10,824.12/14,947.40 = 7,966.44/x
  3. Step 3: Cross multiply
    10,824.12x = 14,947.40 × 7,966.44
  4. Step 4: Simplify right side
    10,824.12x = 119,077,565.26
  5. Step 5: Solve for x
    x = 119,077,565.26/10,824.12
  6. Step 6: Final answer
    x = 11,001.13

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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.