Home / 9,764.08-13,472.04-5,785

Finding the Fourth Proportional to 9,764.08, 13,472.04 and 5,785

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Solution

The fourth proportional to 9,764.08, 13,472.04 and 5,785 is: 7,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.08 : 13,472.04 = 5,785 : x
  2. Step 2: Convert to fraction form
    9,764.08/13,472.04 = 5,785/x
  3. Step 3: Cross multiply
    9,764.08x = 13,472.04 × 5,785
  4. Step 4: Simplify right side
    9,764.08x = 77,935,751.40
  5. Step 5: Solve for x
    x = 77,935,751.40/9,764.08
  6. Step 6: Final answer
    x = 7,981.88

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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.