Home / 8,649.09-12,973.45-5,868.81

Finding the Fourth Proportional to 8,649.09, 12,973.45 and 5,868.81

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Solution

The fourth proportional to 8,649.09, 12,973.45 and 5,868.81 is: 8,803.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.09 : 12,973.45 = 5,868.81 : x
  2. Step 2: Convert to fraction form
    8,649.09/12,973.45 = 5,868.81/x
  3. Step 3: Cross multiply
    8,649.09x = 12,973.45 × 5,868.81
  4. Step 4: Simplify right side
    8,649.09x = 76,138,713.09
  5. Step 5: Solve for x
    x = 76,138,713.09/8,649.09
  6. Step 6: Final answer
    x = 8,803.09

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1.5x scale

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.