Home / 10,740.32-16,112.88-4,895.36

Finding the Fourth Proportional to 10,740.32, 16,112.88 and 4,895.36

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Solution

The fourth proportional to 10,740.32, 16,112.88 and 4,895.36 is: 7,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.32 : 16,112.88 = 4,895.36 : x
  2. Step 2: Convert to fraction form
    10,740.32/16,112.88 = 4,895.36/x
  3. Step 3: Cross multiply
    10,740.32x = 16,112.88 × 4,895.36
  4. Step 4: Simplify right side
    10,740.32x = 78,878,348.24
  5. Step 5: Solve for x
    x = 78,878,348.24/10,740.32
  6. Step 6: Final answer
    x = 7,344.13

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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.