Home / 12,495.30-18,740.79-4,704.18

Finding the Fourth Proportional to 12,495.30, 18,740.79 and 4,704.18

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Solution

The fourth proportional to 12,495.30, 18,740.79 and 4,704.18 is: 7,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.30 : 18,740.79 = 4,704.18 : x
  2. Step 2: Convert to fraction form
    12,495.30/18,740.79 = 4,704.18/x
  3. Step 3: Cross multiply
    12,495.30x = 18,740.79 × 4,704.18
  4. Step 4: Simplify right side
    12,495.30x = 88,160,049.50
  5. Step 5: Solve for x
    x = 88,160,049.50/12,495.30
  6. Step 6: Final answer
    x = 7,055.46

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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.