Home / 11,266.61-15,548.51-6,487.28

Finding the Fourth Proportional to 11,266.61, 15,548.51 and 6,487.28

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Solution

The fourth proportional to 11,266.61, 15,548.51 and 6,487.28 is: 8,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.61 : 15,548.51 = 6,487.28 : x
  2. Step 2: Convert to fraction form
    11,266.61/15,548.51 = 6,487.28/x
  3. Step 3: Cross multiply
    11,266.61x = 15,548.51 × 6,487.28
  4. Step 4: Simplify right side
    11,266.61x = 100,867,427.77
  5. Step 5: Solve for x
    x = 100,867,427.77/11,266.61
  6. Step 6: Final answer
    x = 8,952.78

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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.