Home / 11,070.48-15,269.68-6,590.76

Finding the Fourth Proportional to 11,070.48, 15,269.68 and 6,590.76

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Solution

The fourth proportional to 11,070.48, 15,269.68 and 6,590.76 is: 9,090.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.48 : 15,269.68 = 6,590.76 : x
  2. Step 2: Convert to fraction form
    11,070.48/15,269.68 = 6,590.76/x
  3. Step 3: Cross multiply
    11,070.48x = 15,269.68 × 6,590.76
  4. Step 4: Simplify right side
    11,070.48x = 100,638,796.16
  5. Step 5: Solve for x
    x = 100,638,796.16/11,070.48
  6. Step 6: Final answer
    x = 9,090.73

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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.