Home / 11,417.47-15,756.84-6,382.06

Finding the Fourth Proportional to 11,417.47, 15,756.84 and 6,382.06

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Solution

The fourth proportional to 11,417.47, 15,756.84 and 6,382.06 is: 8,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.47 : 15,756.84 = 6,382.06 : x
  2. Step 2: Convert to fraction form
    11,417.47/15,756.84 = 6,382.06/x
  3. Step 3: Cross multiply
    11,417.47x = 15,756.84 × 6,382.06
  4. Step 4: Simplify right side
    11,417.47x = 100,561,098.29
  5. Step 5: Solve for x
    x = 100,561,098.29/11,417.47
  6. Step 6: Final answer
    x = 8,807.65

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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.