Home / 12,612.24-17,405.16-7,023.60

Finding the Fourth Proportional to 12,612.24, 17,405.16 and 7,023.60

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Solution

The fourth proportional to 12,612.24, 17,405.16 and 7,023.60 is: 9,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.24 : 17,405.16 = 7,023.60 : x
  2. Step 2: Convert to fraction form
    12,612.24/17,405.16 = 7,023.60/x
  3. Step 3: Cross multiply
    12,612.24x = 17,405.16 × 7,023.60
  4. Step 4: Simplify right side
    12,612.24x = 122,246,881.78
  5. Step 5: Solve for x
    x = 122,246,881.78/12,612.24
  6. Step 6: Final answer
    x = 9,692.72

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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.