Home / 9,261.95-12,781.41-5,012.93

Finding the Fourth Proportional to 9,261.95, 12,781.41 and 5,012.93

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Solution

The fourth proportional to 9,261.95, 12,781.41 and 5,012.93 is: 6,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.95 : 12,781.41 = 5,012.93 : x
  2. Step 2: Convert to fraction form
    9,261.95/12,781.41 = 5,012.93/x
  3. Step 3: Cross multiply
    9,261.95x = 12,781.41 × 5,012.93
  4. Step 4: Simplify right side
    9,261.95x = 64,072,249.72
  5. Step 5: Solve for x
    x = 64,072,249.72/9,261.95
  6. Step 6: Final answer
    x = 6,917.80

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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.