Home / 11,251.33-15,526.87-6,215.45

Finding the Fourth Proportional to 11,251.33, 15,526.87 and 6,215.45

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Solution

The fourth proportional to 11,251.33, 15,526.87 and 6,215.45 is: 8,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.33 : 15,526.87 = 6,215.45 : x
  2. Step 2: Convert to fraction form
    11,251.33/15,526.87 = 6,215.45/x
  3. Step 3: Cross multiply
    11,251.33x = 15,526.87 × 6,215.45
  4. Step 4: Simplify right side
    11,251.33x = 96,506,484.14
  5. Step 5: Solve for x
    x = 96,506,484.14/11,251.33
  6. Step 6: Final answer
    x = 8,577.34

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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.