Home / 8,948.19-12,344.96-5,170.66

Finding the Fourth Proportional to 8,948.19, 12,344.96 and 5,170.66

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Solution

The fourth proportional to 8,948.19, 12,344.96 and 5,170.66 is: 7,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.19 : 12,344.96 = 5,170.66 : x
  2. Step 2: Convert to fraction form
    8,948.19/12,344.96 = 5,170.66/x
  3. Step 3: Cross multiply
    8,948.19x = 12,344.96 × 5,170.66
  4. Step 4: Simplify right side
    8,948.19x = 63,831,572.94
  5. Step 5: Solve for x
    x = 63,831,572.94/8,948.19
  6. Step 6: Final answer
    x = 7,133.46

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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.