Home / 9,759.56-13,470.18-6,616.76

Finding the Fourth Proportional to 9,759.56, 13,470.18 and 6,616.76

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Solution

The fourth proportional to 9,759.56, 13,470.18 and 6,616.76 is: 9,132.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759.56 : 13,470.18 = 6,616.76 : x
  2. Step 2: Convert to fraction form
    9,759.56/13,470.18 = 6,616.76/x
  3. Step 3: Cross multiply
    9,759.56x = 13,470.18 × 6,616.76
  4. Step 4: Simplify right side
    9,759.56x = 89,128,948.22
  5. Step 5: Solve for x
    x = 89,128,948.22/9,759.56
  6. Step 6: Final answer
    x = 9,132.48

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Half scale
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Double scale
Find fourth proportional to 9,760.56, 13,471.56 and 6,617.76
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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.