Home / 8,070.24-12,110.02-3,389.84

Finding the Fourth Proportional to 8,070.24, 12,110.02 and 3,389.84

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Solution

The fourth proportional to 8,070.24, 12,110.02 and 3,389.84 is: 5,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.24 : 12,110.02 = 3,389.84 : x
  2. Step 2: Convert to fraction form
    8,070.24/12,110.02 = 3,389.84/x
  3. Step 3: Cross multiply
    8,070.24x = 12,110.02 × 3,389.84
  4. Step 4: Simplify right side
    8,070.24x = 41,051,030.20
  5. Step 5: Solve for x
    x = 41,051,030.20/8,070.24
  6. Step 6: Final answer
    x = 5,086.72

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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.