Home / 8,867.84-12,237-5,330.48

Finding the Fourth Proportional to 8,867.84, 12,237 and 5,330.48

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Solution

The fourth proportional to 8,867.84, 12,237 and 5,330.48 is: 7,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.84 : 12,237 = 5,330.48 : x
  2. Step 2: Convert to fraction form
    8,867.84/12,237 = 5,330.48/x
  3. Step 3: Cross multiply
    8,867.84x = 12,237 × 5,330.48
  4. Step 4: Simplify right side
    8,867.84x = 65,229,083.76
  5. Step 5: Solve for x
    x = 65,229,083.76/8,867.84
  6. Step 6: Final answer
    x = 7,355.69

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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.