Home / 11,742.48-17,616.20-4,347

Finding the Fourth Proportional to 11,742.48, 17,616.20 and 4,347

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Solution

The fourth proportional to 11,742.48, 17,616.20 and 4,347 is: 6,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.48 : 17,616.20 = 4,347 : x
  2. Step 2: Convert to fraction form
    11,742.48/17,616.20 = 4,347/x
  3. Step 3: Cross multiply
    11,742.48x = 17,616.20 × 4,347
  4. Step 4: Simplify right side
    11,742.48x = 76,577,599.67
  5. Step 5: Solve for x
    x = 76,577,599.67/11,742.48
  6. Step 6: Final answer
    x = 6,521.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.