Home / 8,111.81-11,195.28-4,574.95

Finding the Fourth Proportional to 8,111.81, 11,195.28 and 4,574.95

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Solution

The fourth proportional to 8,111.81, 11,195.28 and 4,574.95 is: 6,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.81 : 11,195.28 = 4,574.95 : x
  2. Step 2: Convert to fraction form
    8,111.81/11,195.28 = 4,574.95/x
  3. Step 3: Cross multiply
    8,111.81x = 11,195.28 × 4,574.95
  4. Step 4: Simplify right side
    8,111.81x = 51,217,846.24
  5. Step 5: Solve for x
    x = 51,217,846.24/8,111.81
  6. Step 6: Final answer
    x = 6,313.98

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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.