Home / 10,287.11-14,196.49-6,305.93

Finding the Fourth Proportional to 10,287.11, 14,196.49 and 6,305.93

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Solution

The fourth proportional to 10,287.11, 14,196.49 and 6,305.93 is: 8,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.11 : 14,196.49 = 6,305.93 : x
  2. Step 2: Convert to fraction form
    10,287.11/14,196.49 = 6,305.93/x
  3. Step 3: Cross multiply
    10,287.11x = 14,196.49 × 6,305.93
  4. Step 4: Simplify right side
    10,287.11x = 89,522,040.66
  5. Step 5: Solve for x
    x = 89,522,040.66/10,287.11
  6. Step 6: Final answer
    x = 8,702.35

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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.