Home / 8,165.47-11,277.51-5,508.25

Finding the Fourth Proportional to 8,165.47, 11,277.51 and 5,508.25

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Solution

The fourth proportional to 8,165.47, 11,277.51 and 5,508.25 is: 7,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.47 : 11,277.51 = 5,508.25 : x
  2. Step 2: Convert to fraction form
    8,165.47/11,277.51 = 5,508.25/x
  3. Step 3: Cross multiply
    8,165.47x = 11,277.51 × 5,508.25
  4. Step 4: Simplify right side
    8,165.47x = 62,119,344.46
  5. Step 5: Solve for x
    x = 62,119,344.46/8,165.47
  6. Step 6: Final answer
    x = 7,607.57

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Half scale
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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.