Home / 11,419.25-15,753.51-6,701.40

Finding the Fourth Proportional to 11,419.25, 15,753.51 and 6,701.40

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Solution

The fourth proportional to 11,419.25, 15,753.51 and 6,701.40 is: 9,244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.25 : 15,753.51 = 6,701.40 : x
  2. Step 2: Convert to fraction form
    11,419.25/15,753.51 = 6,701.40/x
  3. Step 3: Cross multiply
    11,419.25x = 15,753.51 × 6,701.40
  4. Step 4: Simplify right side
    11,419.25x = 105,570,571.91
  5. Step 5: Solve for x
    x = 105,570,571.91/11,419.25
  6. Step 6: Final answer
    x = 9,244.97

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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.