Home / 12,159.28-18,232.58-5,741.16

Finding the Fourth Proportional to 12,159.28, 18,232.58 and 5,741.16

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Solution

The fourth proportional to 12,159.28, 18,232.58 and 5,741.16 is: 8,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159.28 : 18,232.58 = 5,741.16 : x
  2. Step 2: Convert to fraction form
    12,159.28/18,232.58 = 5,741.16/x
  3. Step 3: Cross multiply
    12,159.28x = 18,232.58 × 5,741.16
  4. Step 4: Simplify right side
    12,159.28x = 104,676,130.29
  5. Step 5: Solve for x
    x = 104,676,130.29/12,159.28
  6. Step 6: Final answer
    x = 8,608.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.