Home / 8,187.38-11,298.59-4,830.23

Finding the Fourth Proportional to 8,187.38, 11,298.59 and 4,830.23

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Solution

The fourth proportional to 8,187.38, 11,298.59 and 4,830.23 is: 6,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.38 : 11,298.59 = 4,830.23 : x
  2. Step 2: Convert to fraction form
    8,187.38/11,298.59 = 4,830.23/x
  3. Step 3: Cross multiply
    8,187.38x = 11,298.59 × 4,830.23
  4. Step 4: Simplify right side
    8,187.38x = 54,574,810.58
  5. Step 5: Solve for x
    x = 54,574,810.58/8,187.38
  6. Step 6: Final answer
    x = 6,665.72

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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.