Home / 10,829.30-16,247.59-4,981.50

Finding the Fourth Proportional to 10,829.30, 16,247.59 and 4,981.50

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Solution

The fourth proportional to 10,829.30, 16,247.59 and 4,981.50 is: 7,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.30 : 16,247.59 = 4,981.50 : x
  2. Step 2: Convert to fraction form
    10,829.30/16,247.59 = 4,981.50/x
  3. Step 3: Cross multiply
    10,829.30x = 16,247.59 × 4,981.50
  4. Step 4: Simplify right side
    10,829.30x = 80,937,357.13
  5. Step 5: Solve for x
    x = 80,937,357.13/10,829.30
  6. Step 6: Final answer
    x = 7,473.93

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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.