Home / 11,062.32-15,266.73-8,381.67

Finding the Fourth Proportional to 11,062.32, 15,266.73 and 8,381.67

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Solution

The fourth proportional to 11,062.32, 15,266.73 and 8,381.67 is: 11,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,062.32 : 15,266.73 = 8,381.67 : x
  2. Step 2: Convert to fraction form
    11,062.32/15,266.73 = 8,381.67/x
  3. Step 3: Cross multiply
    11,062.32x = 15,266.73 × 8,381.67
  4. Step 4: Simplify right side
    11,062.32x = 127,960,692.84
  5. Step 5: Solve for x
    x = 127,960,692.84/11,062.32
  6. Step 6: Final answer
    x = 11,567.26

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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.