Home / 6,118.95-9,185.25-5,717.40

Finding the Fourth Proportional to 6,118.95, 9,185.25 and 5,717.40

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Solution

The fourth proportional to 6,118.95, 9,185.25 and 5,717.40 is: 8,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.95 : 9,185.25 = 5,717.40 : x
  2. Step 2: Convert to fraction form
    6,118.95/9,185.25 = 5,717.40/x
  3. Step 3: Cross multiply
    6,118.95x = 9,185.25 × 5,717.40
  4. Step 4: Simplify right side
    6,118.95x = 52,515,748.35
  5. Step 5: Solve for x
    x = 52,515,748.35/6,118.95
  6. Step 6: Final answer
    x = 8,582.48

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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.