Home / 9,127.14-12,577.23-5,977.86

Finding the Fourth Proportional to 9,127.14, 12,577.23 and 5,977.86

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Solution

The fourth proportional to 9,127.14, 12,577.23 and 5,977.86 is: 8,237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.14 : 12,577.23 = 5,977.86 : x
  2. Step 2: Convert to fraction form
    9,127.14/12,577.23 = 5,977.86/x
  3. Step 3: Cross multiply
    9,127.14x = 12,577.23 × 5,977.86
  4. Step 4: Simplify right side
    9,127.14x = 75,184,920.13
  5. Step 5: Solve for x
    x = 75,184,920.13/9,127.14
  6. Step 6: Final answer
    x = 8,237.51

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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.