Home / 9,117.74-13,671.48-2,876.59

Finding the Fourth Proportional to 9,117.74, 13,671.48 and 2,876.59

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Solution

The fourth proportional to 9,117.74, 13,671.48 and 2,876.59 is: 4,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.74 : 13,671.48 = 2,876.59 : x
  2. Step 2: Convert to fraction form
    9,117.74/13,671.48 = 2,876.59/x
  3. Step 3: Cross multiply
    9,117.74x = 13,671.48 × 2,876.59
  4. Step 4: Simplify right side
    9,117.74x = 39,327,232.08
  5. Step 5: Solve for x
    x = 39,327,232.08/9,117.74
  6. Step 6: Final answer
    x = 4,313.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.