Home / 8,151.81-11,255.09-5,502.93

Finding the Fourth Proportional to 8,151.81, 11,255.09 and 5,502.93

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Solution

The fourth proportional to 8,151.81, 11,255.09 and 5,502.93 is: 7,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.81 : 11,255.09 = 5,502.93 : x
  2. Step 2: Convert to fraction form
    8,151.81/11,255.09 = 5,502.93/x
  3. Step 3: Cross multiply
    8,151.81x = 11,255.09 × 5,502.93
  4. Step 4: Simplify right side
    8,151.81x = 61,935,972.41
  5. Step 5: Solve for x
    x = 61,935,972.41/8,151.81
  6. Step 6: Final answer
    x = 7,597.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.