Home / 8,319.04-12,476.40-2,474.32

Finding the Fourth Proportional to 8,319.04, 12,476.40 and 2,474.32

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Solution

The fourth proportional to 8,319.04, 12,476.40 and 2,474.32 is: 3,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.04 : 12,476.40 = 2,474.32 : x
  2. Step 2: Convert to fraction form
    8,319.04/12,476.40 = 2,474.32/x
  3. Step 3: Cross multiply
    8,319.04x = 12,476.40 × 2,474.32
  4. Step 4: Simplify right side
    8,319.04x = 30,870,606.05
  5. Step 5: Solve for x
    x = 30,870,606.05/8,319.04
  6. Step 6: Final answer
    x = 3,710.84

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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.