Home / 12,439.96-17,173.48-9,600.95

Finding the Fourth Proportional to 12,439.96, 17,173.48 and 9,600.95

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Solution

The fourth proportional to 12,439.96, 17,173.48 and 9,600.95 is: 13,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.96 : 17,173.48 = 9,600.95 : x
  2. Step 2: Convert to fraction form
    12,439.96/17,173.48 = 9,600.95/x
  3. Step 3: Cross multiply
    12,439.96x = 17,173.48 × 9,600.95
  4. Step 4: Simplify right side
    12,439.96x = 164,881,722.81
  5. Step 5: Solve for x
    x = 164,881,722.81/12,439.96
  6. Step 6: Final answer
    x = 13,254.20

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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.