Home / 10,169.28-14,032.14-5,692.21

Finding the Fourth Proportional to 10,169.28, 14,032.14 and 5,692.21

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Solution

The fourth proportional to 10,169.28, 14,032.14 and 5,692.21 is: 7,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.28 : 14,032.14 = 5,692.21 : x
  2. Step 2: Convert to fraction form
    10,169.28/14,032.14 = 5,692.21/x
  3. Step 3: Cross multiply
    10,169.28x = 14,032.14 × 5,692.21
  4. Step 4: Simplify right side
    10,169.28x = 79,873,831.20
  5. Step 5: Solve for x
    x = 79,873,831.20/10,169.28
  6. Step 6: Final answer
    x = 7,854.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.