Home / 8,225.72-11,337.90-6,129.08

Finding the Fourth Proportional to 8,225.72, 11,337.90 and 6,129.08

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Solution

The fourth proportional to 8,225.72, 11,337.90 and 6,129.08 is: 8,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.72 : 11,337.90 = 6,129.08 : x
  2. Step 2: Convert to fraction form
    8,225.72/11,337.90 = 6,129.08/x
  3. Step 3: Cross multiply
    8,225.72x = 11,337.90 × 6,129.08
  4. Step 4: Simplify right side
    8,225.72x = 69,490,896.13
  5. Step 5: Solve for x
    x = 69,490,896.13/8,225.72
  6. Step 6: Final answer
    x = 8,448.00

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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.