Home / 11,159.82-15,400.58-6,124.08

Finding the Fourth Proportional to 11,159.82, 15,400.58 and 6,124.08

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Solution

The fourth proportional to 11,159.82, 15,400.58 and 6,124.08 is: 8,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.82 : 15,400.58 = 6,124.08 : x
  2. Step 2: Convert to fraction form
    11,159.82/15,400.58 = 6,124.08/x
  3. Step 3: Cross multiply
    11,159.82x = 15,400.58 × 6,124.08
  4. Step 4: Simplify right side
    11,159.82x = 94,314,422.47
  5. Step 5: Solve for x
    x = 94,314,422.47/11,159.82
  6. Step 6: Final answer
    x = 8,451.25

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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.