Home / 10,258.14-15,382.08-5,326.41

Finding the Fourth Proportional to 10,258.14, 15,382.08 and 5,326.41

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Solution

The fourth proportional to 10,258.14, 15,382.08 and 5,326.41 is: 7,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.14 : 15,382.08 = 5,326.41 : x
  2. Step 2: Convert to fraction form
    10,258.14/15,382.08 = 5,326.41/x
  3. Step 3: Cross multiply
    10,258.14x = 15,382.08 × 5,326.41
  4. Step 4: Simplify right side
    10,258.14x = 81,931,264.73
  5. Step 5: Solve for x
    x = 81,931,264.73/10,258.14
  6. Step 6: Final answer
    x = 7,986.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.