Home / 12,841.20-19,247.40-6,598.80

Finding the Fourth Proportional to 12,841.20, 19,247.40 and 6,598.80

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Solution

The fourth proportional to 12,841.20, 19,247.40 and 6,598.80 is: 9,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.20 : 19,247.40 = 6,598.80 : x
  2. Step 2: Convert to fraction form
    12,841.20/19,247.40 = 6,598.80/x
  3. Step 3: Cross multiply
    12,841.20x = 19,247.40 × 6,598.80
  4. Step 4: Simplify right side
    12,841.20x = 127,009,743.12
  5. Step 5: Solve for x
    x = 127,009,743.12/12,841.20
  6. Step 6: Final answer
    x = 9,890.80

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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.