Home / 9,094.74-12,549.85-5,115.77

Finding the Fourth Proportional to 9,094.74, 12,549.85 and 5,115.77

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Solution

The fourth proportional to 9,094.74, 12,549.85 and 5,115.77 is: 7,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,094.74 : 12,549.85 = 5,115.77 : x
  2. Step 2: Convert to fraction form
    9,094.74/12,549.85 = 5,115.77/x
  3. Step 3: Cross multiply
    9,094.74x = 12,549.85 × 5,115.77
  4. Step 4: Simplify right side
    9,094.74x = 64,202,146.13
  5. Step 5: Solve for x
    x = 64,202,146.13/9,094.74
  6. Step 6: Final answer
    x = 7,059.26

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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.