Home / 12,040.55-18,048.96-7,036.57

Finding the Fourth Proportional to 12,040.55, 18,048.96 and 7,036.57

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Solution

The fourth proportional to 12,040.55, 18,048.96 and 7,036.57 is: 10,547.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.55 : 18,048.96 = 7,036.57 : x
  2. Step 2: Convert to fraction form
    12,040.55/18,048.96 = 7,036.57/x
  3. Step 3: Cross multiply
    12,040.55x = 18,048.96 × 7,036.57
  4. Step 4: Simplify right side
    12,040.55x = 127,002,793.03
  5. Step 5: Solve for x
    x = 127,002,793.03/12,040.55
  6. Step 6: Final answer
    x = 10,547.92

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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.