Home / 11,030.39-15,224.15-6,553.28

Finding the Fourth Proportional to 11,030.39, 15,224.15 and 6,553.28

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Solution

The fourth proportional to 11,030.39, 15,224.15 and 6,553.28 is: 9,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.39 : 15,224.15 = 6,553.28 : x
  2. Step 2: Convert to fraction form
    11,030.39/15,224.15 = 6,553.28/x
  3. Step 3: Cross multiply
    11,030.39x = 15,224.15 × 6,553.28
  4. Step 4: Simplify right side
    11,030.39x = 99,768,117.71
  5. Step 5: Solve for x
    x = 99,768,117.71/11,030.39
  6. Step 6: Final answer
    x = 9,044.84

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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.