Home / 11,967.55-17,946.66-4,948.70

Finding the Fourth Proportional to 11,967.55, 17,946.66 and 4,948.70

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Solution

The fourth proportional to 11,967.55, 17,946.66 and 4,948.70 is: 7,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.55 : 17,946.66 = 4,948.70 : x
  2. Step 2: Convert to fraction form
    11,967.55/17,946.66 = 4,948.70/x
  3. Step 3: Cross multiply
    11,967.55x = 17,946.66 × 4,948.70
  4. Step 4: Simplify right side
    11,967.55x = 88,812,565.17
  5. Step 5: Solve for x
    x = 88,812,565.17/11,967.55
  6. Step 6: Final answer
    x = 7,421.12

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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.