Home / 11,159.42-15,400.02-6,124.08

Finding the Fourth Proportional to 11,159.42, 15,400.02 and 6,124.08

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Solution

The fourth proportional to 11,159.42, 15,400.02 and 6,124.08 is: 8,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.42 : 15,400.02 = 6,124.08 : x
  2. Step 2: Convert to fraction form
    11,159.42/15,400.02 = 6,124.08/x
  3. Step 3: Cross multiply
    11,159.42x = 15,400.02 × 6,124.08
  4. Step 4: Simplify right side
    11,159.42x = 94,310,954.48
  5. Step 5: Solve for x
    x = 94,310,954.48/11,159.42
  6. Step 6: Final answer
    x = 8,451.24

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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.