Home / 8,513.24-11,748.53-5,156.67

Finding the Fourth Proportional to 8,513.24, 11,748.53 and 5,156.67

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Solution

The fourth proportional to 8,513.24, 11,748.53 and 5,156.67 is: 7,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.24 : 11,748.53 = 5,156.67 : x
  2. Step 2: Convert to fraction form
    8,513.24/11,748.53 = 5,156.67/x
  3. Step 3: Cross multiply
    8,513.24x = 11,748.53 × 5,156.67
  4. Step 4: Simplify right side
    8,513.24x = 60,583,292.20
  5. Step 5: Solve for x
    x = 60,583,292.20/8,513.24
  6. Step 6: Final answer
    x = 7,116.36

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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.