Home / 8,367.12-11,547.21-4,782.61

Finding the Fourth Proportional to 8,367.12, 11,547.21 and 4,782.61

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Solution

The fourth proportional to 8,367.12, 11,547.21 and 4,782.61 is: 6,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.12 : 11,547.21 = 4,782.61 : x
  2. Step 2: Convert to fraction form
    8,367.12/11,547.21 = 4,782.61/x
  3. Step 3: Cross multiply
    8,367.12x = 11,547.21 × 4,782.61
  4. Step 4: Simplify right side
    8,367.12x = 55,225,773.15
  5. Step 5: Solve for x
    x = 55,225,773.15/8,367.12
  6. Step 6: Final answer
    x = 6,600.33

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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.