Home / 11,225.36-15,491.06-6,512.44

Finding the Fourth Proportional to 11,225.36, 15,491.06 and 6,512.44

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Solution

The fourth proportional to 11,225.36, 15,491.06 and 6,512.44 is: 8,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.36 : 15,491.06 = 6,512.44 : x
  2. Step 2: Convert to fraction form
    11,225.36/15,491.06 = 6,512.44/x
  3. Step 3: Cross multiply
    11,225.36x = 15,491.06 × 6,512.44
  4. Step 4: Simplify right side
    11,225.36x = 100,884,598.79
  5. Step 5: Solve for x
    x = 100,884,598.79/11,225.36
  6. Step 6: Final answer
    x = 8,987.20

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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.