Home / 11,159.92-15,400.71-6,124.58

Finding the Fourth Proportional to 11,159.92, 15,400.71 and 6,124.58

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Solution

The fourth proportional to 11,159.92, 15,400.71 and 6,124.58 is: 8,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.92 : 15,400.71 = 6,124.58 : x
  2. Step 2: Convert to fraction form
    11,159.92/15,400.71 = 6,124.58/x
  3. Step 3: Cross multiply
    11,159.92x = 15,400.71 × 6,124.58
  4. Step 4: Simplify right side
    11,159.92x = 94,322,880.45
  5. Step 5: Solve for x
    x = 94,322,880.45/11,159.92
  6. Step 6: Final answer
    x = 8,451.93

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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.