Home / 8,285.41-11,432.81-5,602.47

Finding the Fourth Proportional to 8,285.41, 11,432.81 and 5,602.47

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Solution

The fourth proportional to 8,285.41, 11,432.81 and 5,602.47 is: 7,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.41 : 11,432.81 = 5,602.47 : x
  2. Step 2: Convert to fraction form
    8,285.41/11,432.81 = 5,602.47/x
  3. Step 3: Cross multiply
    8,285.41x = 11,432.81 × 5,602.47
  4. Step 4: Simplify right side
    8,285.41x = 64,051,946.17
  5. Step 5: Solve for x
    x = 64,051,946.17/8,285.41
  6. Step 6: Final answer
    x = 7,730.70

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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.