Home / 10,839.15-16,252.65-4,988.52

Finding the Fourth Proportional to 10,839.15, 16,252.65 and 4,988.52

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Solution

The fourth proportional to 10,839.15, 16,252.65 and 4,988.52 is: 7,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.15 : 16,252.65 = 4,988.52 : x
  2. Step 2: Convert to fraction form
    10,839.15/16,252.65 = 4,988.52/x
  3. Step 3: Cross multiply
    10,839.15x = 16,252.65 × 4,988.52
  4. Step 4: Simplify right side
    10,839.15x = 81,076,669.58
  5. Step 5: Solve for x
    x = 81,076,669.58/10,839.15
  6. Step 6: Final answer
    x = 7,479.98

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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.