Home / 11,565.21-15,959.97-6,260.16

Finding the Fourth Proportional to 11,565.21, 15,959.97 and 6,260.16

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Solution

The fourth proportional to 11,565.21, 15,959.97 and 6,260.16 is: 8,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.21 : 15,959.97 = 6,260.16 : x
  2. Step 2: Convert to fraction form
    11,565.21/15,959.97 = 6,260.16/x
  3. Step 3: Cross multiply
    11,565.21x = 15,959.97 × 6,260.16
  4. Step 4: Simplify right side
    11,565.21x = 99,911,965.80
  5. Step 5: Solve for x
    x = 99,911,965.80/11,565.21
  6. Step 6: Final answer
    x = 8,639.01

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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.