Home / 8,189.16-11,301.50-4,653.11

Finding the Fourth Proportional to 8,189.16, 11,301.50 and 4,653.11

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Solution

The fourth proportional to 8,189.16, 11,301.50 and 4,653.11 is: 6,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.16 : 11,301.50 = 4,653.11 : x
  2. Step 2: Convert to fraction form
    8,189.16/11,301.50 = 4,653.11/x
  3. Step 3: Cross multiply
    8,189.16x = 11,301.50 × 4,653.11
  4. Step 4: Simplify right side
    8,189.16x = 52,587,122.67
  5. Step 5: Solve for x
    x = 52,587,122.67/8,189.16
  6. Step 6: Final answer
    x = 6,421.55

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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.