Home / 10,351.52-15,535.14-7,585.42

Finding the Fourth Proportional to 10,351.52, 15,535.14 and 7,585.42

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Solution

The fourth proportional to 10,351.52, 15,535.14 and 7,585.42 is: 11,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.52 : 15,535.14 = 7,585.42 : x
  2. Step 2: Convert to fraction form
    10,351.52/15,535.14 = 7,585.42/x
  3. Step 3: Cross multiply
    10,351.52x = 15,535.14 × 7,585.42
  4. Step 4: Simplify right side
    10,351.52x = 117,840,511.56
  5. Step 5: Solve for x
    x = 117,840,511.56/10,351.52
  6. Step 6: Final answer
    x = 11,383.89

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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.