Home / 9,001.02-12,421.15-5,223.97

Finding the Fourth Proportional to 9,001.02, 12,421.15 and 5,223.97

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Solution

The fourth proportional to 9,001.02, 12,421.15 and 5,223.97 is: 7,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.02 : 12,421.15 = 5,223.97 : x
  2. Step 2: Convert to fraction form
    9,001.02/12,421.15 = 5,223.97/x
  3. Step 3: Cross multiply
    9,001.02x = 12,421.15 × 5,223.97
  4. Step 4: Simplify right side
    9,001.02x = 64,887,714.97
  5. Step 5: Solve for x
    x = 64,887,714.97/9,001.02
  6. Step 6: Final answer
    x = 7,208.93

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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.