Home / 10,408.02-14,363.20-5,692.30

Finding the Fourth Proportional to 10,408.02, 14,363.20 and 5,692.30

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Solution

The fourth proportional to 10,408.02, 14,363.20 and 5,692.30 is: 7,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.02 : 14,363.20 = 5,692.30 : x
  2. Step 2: Convert to fraction form
    10,408.02/14,363.20 = 5,692.30/x
  3. Step 3: Cross multiply
    10,408.02x = 14,363.20 × 5,692.30
  4. Step 4: Simplify right side
    10,408.02x = 81,759,643.36
  5. Step 5: Solve for x
    x = 81,759,643.36/10,408.02
  6. Step 6: Final answer
    x = 7,855.45

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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.