Home / 8,191.18-11,303.84-4,465.18

Finding the Fourth Proportional to 8,191.18, 11,303.84 and 4,465.18

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Solution

The fourth proportional to 8,191.18, 11,303.84 and 4,465.18 is: 6,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.18 : 11,303.84 = 4,465.18 : x
  2. Step 2: Convert to fraction form
    8,191.18/11,303.84 = 4,465.18/x
  3. Step 3: Cross multiply
    8,191.18x = 11,303.84 × 4,465.18
  4. Step 4: Simplify right side
    8,191.18x = 50,473,680.29
  5. Step 5: Solve for x
    x = 50,473,680.29/8,191.18
  6. Step 6: Final answer
    x = 6,161.95

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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.