Home / 12,283.40-18,434.46-9,004.88

Finding the Fourth Proportional to 12,283.40, 18,434.46 and 9,004.88

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Solution

The fourth proportional to 12,283.40, 18,434.46 and 9,004.88 is: 13,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.40 : 18,434.46 = 9,004.88 : x
  2. Step 2: Convert to fraction form
    12,283.40/18,434.46 = 9,004.88/x
  3. Step 3: Cross multiply
    12,283.40x = 18,434.46 × 9,004.88
  4. Step 4: Simplify right side
    12,283.40x = 166,000,100.16
  5. Step 5: Solve for x
    x = 166,000,100.16/12,283.40
  6. Step 6: Final answer
    x = 13,514.18

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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.