Home / 11,343.11-15,654.36-6,307.74

Finding the Fourth Proportional to 11,343.11, 15,654.36 and 6,307.74

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Solution

The fourth proportional to 11,343.11, 15,654.36 and 6,307.74 is: 8,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.11 : 15,654.36 = 6,307.74 : x
  2. Step 2: Convert to fraction form
    11,343.11/15,654.36 = 6,307.74/x
  3. Step 3: Cross multiply
    11,343.11x = 15,654.36 × 6,307.74
  4. Step 4: Simplify right side
    11,343.11x = 98,743,632.75
  5. Step 5: Solve for x
    x = 98,743,632.75/11,343.11
  6. Step 6: Final answer
    x = 8,705.17

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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.