Home / 9,015.64-12,440.76-5,036.20

Finding the Fourth Proportional to 9,015.64, 12,440.76 and 5,036.20

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Solution

The fourth proportional to 9,015.64, 12,440.76 and 5,036.20 is: 6,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.64 : 12,440.76 = 5,036.20 : x
  2. Step 2: Convert to fraction form
    9,015.64/12,440.76 = 5,036.20/x
  3. Step 3: Cross multiply
    9,015.64x = 12,440.76 × 5,036.20
  4. Step 4: Simplify right side
    9,015.64x = 62,654,155.51
  5. Step 5: Solve for x
    x = 62,654,155.51/9,015.64
  6. Step 6: Final answer
    x = 6,949.50

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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.