Home / 11,203.76-15,466.40-6,487.12

Finding the Fourth Proportional to 11,203.76, 15,466.40 and 6,487.12

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Solution

The fourth proportional to 11,203.76, 15,466.40 and 6,487.12 is: 8,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.76 : 15,466.40 = 6,487.12 : x
  2. Step 2: Convert to fraction form
    11,203.76/15,466.40 = 6,487.12/x
  3. Step 3: Cross multiply
    11,203.76x = 15,466.40 × 6,487.12
  4. Step 4: Simplify right side
    11,203.76x = 100,332,392.77
  5. Step 5: Solve for x
    x = 100,332,392.77/11,203.76
  6. Step 6: Final answer
    x = 8,955.24

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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.