Home / 8,967.48-12,374.94-4,988.76

Finding the Fourth Proportional to 8,967.48, 12,374.94 and 4,988.76

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Solution

The fourth proportional to 8,967.48, 12,374.94 and 4,988.76 is: 6,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.48 : 12,374.94 = 4,988.76 : x
  2. Step 2: Convert to fraction form
    8,967.48/12,374.94 = 4,988.76/x
  3. Step 3: Cross multiply
    8,967.48x = 12,374.94 × 4,988.76
  4. Step 4: Simplify right side
    8,967.48x = 61,735,605.67
  5. Step 5: Solve for x
    x = 61,735,605.67/8,967.48
  6. Step 6: Final answer
    x = 6,884.39

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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.