Home / 12,532.46-18,802.40-4,741.88

Finding the Fourth Proportional to 12,532.46, 18,802.40 and 4,741.88

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Solution

The fourth proportional to 12,532.46, 18,802.40 and 4,741.88 is: 7,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.46 : 18,802.40 = 4,741.88 : x
  2. Step 2: Convert to fraction form
    12,532.46/18,802.40 = 4,741.88/x
  3. Step 3: Cross multiply
    12,532.46x = 18,802.40 × 4,741.88
  4. Step 4: Simplify right side
    12,532.46x = 89,158,606.79
  5. Step 5: Solve for x
    x = 89,158,606.79/12,532.46
  6. Step 6: Final answer
    x = 7,114.22

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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.