Home / 9,119.93-12,577.11-5,756.93

Finding the Fourth Proportional to 9,119.93, 12,577.11 and 5,756.93

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Solution

The fourth proportional to 9,119.93, 12,577.11 and 5,756.93 is: 7,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.93 : 12,577.11 = 5,756.93 : x
  2. Step 2: Convert to fraction form
    9,119.93/12,577.11 = 5,756.93/x
  3. Step 3: Cross multiply
    9,119.93x = 12,577.11 × 5,756.93
  4. Step 4: Simplify right side
    9,119.93x = 72,405,541.87
  5. Step 5: Solve for x
    x = 72,405,541.87/9,119.93
  6. Step 6: Final answer
    x = 7,939.27

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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.