Home / 8,154.24-11,247.12-5,012.16

Finding the Fourth Proportional to 8,154.24, 11,247.12 and 5,012.16

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Solution

The fourth proportional to 8,154.24, 11,247.12 and 5,012.16 is: 6,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.24 : 11,247.12 = 5,012.16 : x
  2. Step 2: Convert to fraction form
    8,154.24/11,247.12 = 5,012.16/x
  3. Step 3: Cross multiply
    8,154.24x = 11,247.12 × 5,012.16
  4. Step 4: Simplify right side
    8,154.24x = 56,372,364.98
  5. Step 5: Solve for x
    x = 56,372,364.98/8,154.24
  6. Step 6: Final answer
    x = 6,913.26

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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.