Home / 10,407.96-14,363.28-5,692.55

Finding the Fourth Proportional to 10,407.96, 14,363.28 and 5,692.55

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Solution

The fourth proportional to 10,407.96, 14,363.28 and 5,692.55 is: 7,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.96 : 14,363.28 = 5,692.55 : x
  2. Step 2: Convert to fraction form
    10,407.96/14,363.28 = 5,692.55/x
  3. Step 3: Cross multiply
    10,407.96x = 14,363.28 × 5,692.55
  4. Step 4: Simplify right side
    10,407.96x = 81,763,617.75
  5. Step 5: Solve for x
    x = 81,763,617.75/10,407.96
  6. Step 6: Final answer
    x = 7,855.87

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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.