Home / 10,251.19-15,376.79-7,335.19

Finding the Fourth Proportional to 10,251.19, 15,376.79 and 7,335.19

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Solution

The fourth proportional to 10,251.19, 15,376.79 and 7,335.19 is: 11,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.19 : 15,376.79 = 7,335.19 : x
  2. Step 2: Convert to fraction form
    10,251.19/15,376.79 = 7,335.19/x
  3. Step 3: Cross multiply
    10,251.19x = 15,376.79 × 7,335.19
  4. Step 4: Simplify right side
    10,251.19x = 112,791,676.24
  5. Step 5: Solve for x
    x = 112,791,676.24/10,251.19
  6. Step 6: Final answer
    x = 11,002.79

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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.