Home / 9,397.35-12,967.53-5,418.77

Finding the Fourth Proportional to 9,397.35, 12,967.53 and 5,418.77

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Solution

The fourth proportional to 9,397.35, 12,967.53 and 5,418.77 is: 7,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.35 : 12,967.53 = 5,418.77 : x
  2. Step 2: Convert to fraction form
    9,397.35/12,967.53 = 5,418.77/x
  3. Step 3: Cross multiply
    9,397.35x = 12,967.53 × 5,418.77
  4. Step 4: Simplify right side
    9,397.35x = 70,267,997.70
  5. Step 5: Solve for x
    x = 70,267,997.70/9,397.35
  6. Step 6: Final answer
    x = 7,477.43

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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.