Home / 9,247.66-13,871.48-3,091.66

Finding the Fourth Proportional to 9,247.66, 13,871.48 and 3,091.66

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Solution

The fourth proportional to 9,247.66, 13,871.48 and 3,091.66 is: 4,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.66 : 13,871.48 = 3,091.66 : x
  2. Step 2: Convert to fraction form
    9,247.66/13,871.48 = 3,091.66/x
  3. Step 3: Cross multiply
    9,247.66x = 13,871.48 × 3,091.66
  4. Step 4: Simplify right side
    9,247.66x = 42,885,899.86
  5. Step 5: Solve for x
    x = 42,885,899.86/9,247.66
  6. Step 6: Final answer
    x = 4,637.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.