Home / 9,438.15-13,023.84-5,459.49

Finding the Fourth Proportional to 9,438.15, 13,023.84 and 5,459.49

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Solution

The fourth proportional to 9,438.15, 13,023.84 and 5,459.49 is: 7,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.15 : 13,023.84 = 5,459.49 : x
  2. Step 2: Convert to fraction form
    9,438.15/13,023.84 = 5,459.49/x
  3. Step 3: Cross multiply
    9,438.15x = 13,023.84 × 5,459.49
  4. Step 4: Simplify right side
    9,438.15x = 71,103,524.24
  5. Step 5: Solve for x
    x = 71,103,524.24/9,438.15
  6. Step 6: Final answer
    x = 7,533.63

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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.