Home / 11,429.31-15,774.27-6,713.55

Finding the Fourth Proportional to 11,429.31, 15,774.27 and 6,713.55

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Solution

The fourth proportional to 11,429.31, 15,774.27 and 6,713.55 is: 9,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.31 : 15,774.27 = 6,713.55 : x
  2. Step 2: Convert to fraction form
    11,429.31/15,774.27 = 6,713.55/x
  3. Step 3: Cross multiply
    11,429.31x = 15,774.27 × 6,713.55
  4. Step 4: Simplify right side
    11,429.31x = 105,901,350.36
  5. Step 5: Solve for x
    x = 105,901,350.36/11,429.31
  6. Step 6: Final answer
    x = 9,265.77

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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.