Home / 11,159.96-15,400.54-6,124.18

Finding the Fourth Proportional to 11,159.96, 15,400.54 and 6,124.18

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Solution

The fourth proportional to 11,159.96, 15,400.54 and 6,124.18 is: 8,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.96 : 15,400.54 = 6,124.18 : x
  2. Step 2: Convert to fraction form
    11,159.96/15,400.54 = 6,124.18/x
  3. Step 3: Cross multiply
    11,159.96x = 15,400.54 × 6,124.18
  4. Step 4: Simplify right side
    11,159.96x = 94,315,679.06
  5. Step 5: Solve for x
    x = 94,315,679.06/11,159.96
  6. Step 6: Final answer
    x = 8,451.26

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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.