Home / 6,528.83-9,008.76-4,291.61

Finding the Fourth Proportional to 6,528.83, 9,008.76 and 4,291.61

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Solution

The fourth proportional to 6,528.83, 9,008.76 and 4,291.61 is: 5,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.83 : 9,008.76 = 4,291.61 : x
  2. Step 2: Convert to fraction form
    6,528.83/9,008.76 = 4,291.61/x
  3. Step 3: Cross multiply
    6,528.83x = 9,008.76 × 4,291.61
  4. Step 4: Simplify right side
    6,528.83x = 38,662,039.46
  5. Step 5: Solve for x
    x = 38,662,039.46/6,528.83
  6. Step 6: Final answer
    x = 5,921.75

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Half scale
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Double scale
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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.