Home / 8,188.50-11,302.11-4,653.66

Finding the Fourth Proportional to 8,188.50, 11,302.11 and 4,653.66

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Solution

The fourth proportional to 8,188.50, 11,302.11 and 4,653.66 is: 6,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.50 : 11,302.11 = 4,653.66 : x
  2. Step 2: Convert to fraction form
    8,188.50/11,302.11 = 4,653.66/x
  3. Step 3: Cross multiply
    8,188.50x = 11,302.11 × 4,653.66
  4. Step 4: Simplify right side
    8,188.50x = 52,596,177.22
  5. Step 5: Solve for x
    x = 52,596,177.22/8,188.50
  6. Step 6: Final answer
    x = 6,423.18

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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.