Home / 8,151.71-11,248.79-4,567.05

Finding the Fourth Proportional to 8,151.71, 11,248.79 and 4,567.05

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Solution

The fourth proportional to 8,151.71, 11,248.79 and 4,567.05 is: 6,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.71 : 11,248.79 = 4,567.05 : x
  2. Step 2: Convert to fraction form
    8,151.71/11,248.79 = 4,567.05/x
  3. Step 3: Cross multiply
    8,151.71x = 11,248.79 × 4,567.05
  4. Step 4: Simplify right side
    8,151.71x = 51,373,763.53
  5. Step 5: Solve for x
    x = 51,373,763.53/8,151.71
  6. Step 6: Final answer
    x = 6,302.21

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Half scale
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Double scale
Find fourth proportional to 8,152.71, 11,250.16 and 4,568.05
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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.