Home / 13,056.12-18,007.92-8,277.53

Finding the Fourth Proportional to 13,056.12, 18,007.92 and 8,277.53

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Solution

The fourth proportional to 13,056.12, 18,007.92 and 8,277.53 is: 11,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.12 : 18,007.92 = 8,277.53 : x
  2. Step 2: Convert to fraction form
    13,056.12/18,007.92 = 8,277.53/x
  3. Step 3: Cross multiply
    13,056.12x = 18,007.92 × 8,277.53
  4. Step 4: Simplify right side
    13,056.12x = 149,061,008.00
  5. Step 5: Solve for x
    x = 149,061,008.00/13,056.12
  6. Step 6: Final answer
    x = 11,416.95

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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.