Home / 27,243.12-40,867.04-7,521.69

Finding the Fourth Proportional to 27,243.12, 40,867.04 and 7,521.69

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Solution

The fourth proportional to 27,243.12, 40,867.04 and 7,521.69 is: 11,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.12 : 40,867.04 = 7,521.69 : x
  2. Step 2: Convert to fraction form
    27,243.12/40,867.04 = 7,521.69/x
  3. Step 3: Cross multiply
    27,243.12x = 40,867.04 × 7,521.69
  4. Step 4: Simplify right side
    27,243.12x = 307,389,206.10
  5. Step 5: Solve for x
    x = 307,389,206.10/27,243.12
  6. Step 6: Final answer
    x = 11,283.19

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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.