Home / 8,303.18-12,458.10-3,373.20

Finding the Fourth Proportional to 8,303.18, 12,458.10 and 3,373.20

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Solution

The fourth proportional to 8,303.18, 12,458.10 and 3,373.20 is: 5,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.18 : 12,458.10 = 3,373.20 : x
  2. Step 2: Convert to fraction form
    8,303.18/12,458.10 = 3,373.20/x
  3. Step 3: Cross multiply
    8,303.18x = 12,458.10 × 3,373.20
  4. Step 4: Simplify right side
    8,303.18x = 42,023,662.92
  5. Step 5: Solve for x
    x = 42,023,662.92/8,303.18
  6. Step 6: Final answer
    x = 5,061.15

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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.