Home / 11,479.02-15,849.27-8,822.22

Finding the Fourth Proportional to 11,479.02, 15,849.27 and 8,822.22

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Solution

The fourth proportional to 11,479.02, 15,849.27 and 8,822.22 is: 12,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.02 : 15,849.27 = 8,822.22 : x
  2. Step 2: Convert to fraction form
    11,479.02/15,849.27 = 8,822.22/x
  3. Step 3: Cross multiply
    11,479.02x = 15,849.27 × 8,822.22
  4. Step 4: Simplify right side
    11,479.02x = 139,825,746.78
  5. Step 5: Solve for x
    x = 139,825,746.78/11,479.02
  6. Step 6: Final answer
    x = 12,180.98

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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.