Home / 7,169.18-10,742.00-6,895.80

Finding the Fourth Proportional to 7,169.18, 10,742.00 and 6,895.80

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Solution

The fourth proportional to 7,169.18, 10,742.00 and 6,895.80 is: 10,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.18 : 10,742.00 = 6,895.80 : x
  2. Step 2: Convert to fraction form
    7,169.18/10,742.00 = 6,895.80/x
  3. Step 3: Cross multiply
    7,169.18x = 10,742.00 × 6,895.80
  4. Step 4: Simplify right side
    7,169.18x = 74,074,649.12
  5. Step 5: Solve for x
    x = 74,074,649.12/7,169.18
  6. Step 6: Final answer
    x = 10,332.38

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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.