Home / 9,663.06-13,331.76-6,125.76

Finding the Fourth Proportional to 9,663.06, 13,331.76 and 6,125.76

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Solution

The fourth proportional to 9,663.06, 13,331.76 and 6,125.76 is: 8,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.06 : 13,331.76 = 6,125.76 : x
  2. Step 2: Convert to fraction form
    9,663.06/13,331.76 = 6,125.76/x
  3. Step 3: Cross multiply
    9,663.06x = 13,331.76 × 6,125.76
  4. Step 4: Simplify right side
    9,663.06x = 81,667,162.14
  5. Step 5: Solve for x
    x = 81,667,162.14/9,663.06
  6. Step 6: Final answer
    x = 8,451.48

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Double scale
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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.