Home / 8,263.55-11,403.80-4,486.71

Finding the Fourth Proportional to 8,263.55, 11,403.80 and 4,486.71

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Solution

The fourth proportional to 8,263.55, 11,403.80 and 4,486.71 is: 6,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.55 : 11,403.80 = 4,486.71 : x
  2. Step 2: Convert to fraction form
    8,263.55/11,403.80 = 4,486.71/x
  3. Step 3: Cross multiply
    8,263.55x = 11,403.80 × 4,486.71
  4. Step 4: Simplify right side
    8,263.55x = 51,165,521.06
  5. Step 5: Solve for x
    x = 51,165,521.06/8,263.55
  6. Step 6: Final answer
    x = 6,191.72

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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.