Home / 9,090.16-12,545.58-5,552.62

Finding the Fourth Proportional to 9,090.16, 12,545.58 and 5,552.62

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Solution

The fourth proportional to 9,090.16, 12,545.58 and 5,552.62 is: 7,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.16 : 12,545.58 = 5,552.62 : x
  2. Step 2: Convert to fraction form
    9,090.16/12,545.58 = 5,552.62/x
  3. Step 3: Cross multiply
    9,090.16x = 12,545.58 × 5,552.62
  4. Step 4: Simplify right side
    9,090.16x = 69,660,838.42
  5. Step 5: Solve for x
    x = 69,660,838.42/9,090.16
  6. Step 6: Final answer
    x = 7,663.32

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Half scale
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Double scale
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Similar ratio
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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.