Home / 10,868.65-16,303.88-3,474.16

Finding the Fourth Proportional to 10,868.65, 16,303.88 and 3,474.16

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Solution

The fourth proportional to 10,868.65, 16,303.88 and 3,474.16 is: 5,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.65 : 16,303.88 = 3,474.16 : x
  2. Step 2: Convert to fraction form
    10,868.65/16,303.88 = 3,474.16/x
  3. Step 3: Cross multiply
    10,868.65x = 16,303.88 × 3,474.16
  4. Step 4: Simplify right side
    10,868.65x = 56,642,287.74
  5. Step 5: Solve for x
    x = 56,642,287.74/10,868.65
  6. Step 6: Final answer
    x = 5,211.53

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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.