Home / 27,309.13-40,963.71-7,587.70

Finding the Fourth Proportional to 27,309.13, 40,963.71 and 7,587.70

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Solution

The fourth proportional to 27,309.13, 40,963.71 and 7,587.70 is: 11,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309.13 : 40,963.71 = 7,587.70 : x
  2. Step 2: Convert to fraction form
    27,309.13/40,963.71 = 7,587.70/x
  3. Step 3: Cross multiply
    27,309.13x = 40,963.71 × 7,587.70
  4. Step 4: Simplify right side
    27,309.13x = 310,820,342.37
  5. Step 5: Solve for x
    x = 310,820,342.37/27,309.13
  6. Step 6: Final answer
    x = 11,381.55

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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.