Home / 11,421.48-15,759.18-6,704.52

Finding the Fourth Proportional to 11,421.48, 15,759.18 and 6,704.52

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Solution

The fourth proportional to 11,421.48, 15,759.18 and 6,704.52 is: 9,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.48 : 15,759.18 = 6,704.52 : x
  2. Step 2: Convert to fraction form
    11,421.48/15,759.18 = 6,704.52/x
  3. Step 3: Cross multiply
    11,421.48x = 15,759.18 × 6,704.52
  4. Step 4: Simplify right side
    11,421.48x = 105,657,737.49
  5. Step 5: Solve for x
    x = 105,657,737.49/11,421.48
  6. Step 6: Final answer
    x = 9,250.79

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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.