Home / 8,263.74-11,403.96-4,486.90

Finding the Fourth Proportional to 8,263.74, 11,403.96 and 4,486.90

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Solution

The fourth proportional to 8,263.74, 11,403.96 and 4,486.90 is: 6,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.74 : 11,403.96 = 4,486.90 : x
  2. Step 2: Convert to fraction form
    8,263.74/11,403.96 = 4,486.90/x
  3. Step 3: Cross multiply
    8,263.74x = 11,403.96 × 4,486.90
  4. Step 4: Simplify right side
    8,263.74x = 51,168,428.12
  5. Step 5: Solve for x
    x = 51,168,428.12/8,263.74
  6. Step 6: Final answer
    x = 6,191.92

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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.