Home / 8,867.67-12,236.02-5,281.53

Finding the Fourth Proportional to 8,867.67, 12,236.02 and 5,281.53

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Solution

The fourth proportional to 8,867.67, 12,236.02 and 5,281.53 is: 7,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.67 : 12,236.02 = 5,281.53 : x
  2. Step 2: Convert to fraction form
    8,867.67/12,236.02 = 5,281.53/x
  3. Step 3: Cross multiply
    8,867.67x = 12,236.02 × 5,281.53
  4. Step 4: Simplify right side
    8,867.67x = 64,624,906.71
  5. Step 5: Solve for x
    x = 64,624,906.71/8,867.67
  6. Step 6: Final answer
    x = 7,287.70

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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.