Home / 8,153.16-11,251.36-4,427.16

Finding the Fourth Proportional to 8,153.16, 11,251.36 and 4,427.16

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Solution

The fourth proportional to 8,153.16, 11,251.36 and 4,427.16 is: 6,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.16 : 11,251.36 = 4,427.16 : x
  2. Step 2: Convert to fraction form
    8,153.16/11,251.36 = 4,427.16/x
  3. Step 3: Cross multiply
    8,153.16x = 11,251.36 × 4,427.16
  4. Step 4: Simplify right side
    8,153.16x = 49,811,509.38
  5. Step 5: Solve for x
    x = 49,811,509.38/8,153.16
  6. Step 6: Final answer
    x = 6,109.48

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Half scale
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Double scale
Find fourth proportional to 8,154.16, 11,252.74 and 4,428.16
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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.