Home / 8,864.88-12,233.38-4,885.90

Finding the Fourth Proportional to 8,864.88, 12,233.38 and 4,885.90

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Solution

The fourth proportional to 8,864.88, 12,233.38 and 4,885.90 is: 6,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.88 : 12,233.38 = 4,885.90 : x
  2. Step 2: Convert to fraction form
    8,864.88/12,233.38 = 4,885.90/x
  3. Step 3: Cross multiply
    8,864.88x = 12,233.38 × 4,885.90
  4. Step 4: Simplify right side
    8,864.88x = 59,771,071.34
  5. Step 5: Solve for x
    x = 59,771,071.34/8,864.88
  6. Step 6: Final answer
    x = 6,742.46

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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.