Home / 9,240.16-13,856.55-3,393.58

Finding the Fourth Proportional to 9,240.16, 13,856.55 and 3,393.58

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Solution

The fourth proportional to 9,240.16, 13,856.55 and 3,393.58 is: 5,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.16 : 13,856.55 = 3,393.58 : x
  2. Step 2: Convert to fraction form
    9,240.16/13,856.55 = 3,393.58/x
  3. Step 3: Cross multiply
    9,240.16x = 13,856.55 × 3,393.58
  4. Step 4: Simplify right side
    9,240.16x = 47,023,310.95
  5. Step 5: Solve for x
    x = 47,023,310.95/9,240.16
  6. Step 6: Final answer
    x = 5,089.01

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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.