Home / 9,660.52-13,330.92-5,352.76

Finding the Fourth Proportional to 9,660.52, 13,330.92 and 5,352.76

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Solution

The fourth proportional to 9,660.52, 13,330.92 and 5,352.76 is: 7,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.52 : 13,330.92 = 5,352.76 : x
  2. Step 2: Convert to fraction form
    9,660.52/13,330.92 = 5,352.76/x
  3. Step 3: Cross multiply
    9,660.52x = 13,330.92 × 5,352.76
  4. Step 4: Simplify right side
    9,660.52x = 71,357,215.34
  5. Step 5: Solve for x
    x = 71,357,215.34/9,660.52
  6. Step 6: Final answer
    x = 7,386.48

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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.