Home / 11,040.71-15,238.35-6,260.74

Finding the Fourth Proportional to 11,040.71, 15,238.35 and 6,260.74

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Solution

The fourth proportional to 11,040.71, 15,238.35 and 6,260.74 is: 8,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.71 : 15,238.35 = 6,260.74 : x
  2. Step 2: Convert to fraction form
    11,040.71/15,238.35 = 6,260.74/x
  3. Step 3: Cross multiply
    11,040.71x = 15,238.35 × 6,260.74
  4. Step 4: Simplify right side
    11,040.71x = 95,403,309.28
  5. Step 5: Solve for x
    x = 95,403,309.28/11,040.71
  6. Step 6: Final answer
    x = 8,641.05

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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.