Home / 11,276.06-15,557.17-6,556.46

Finding the Fourth Proportional to 11,276.06, 15,557.17 and 6,556.46

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Solution

The fourth proportional to 11,276.06, 15,557.17 and 6,556.46 is: 9,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.06 : 15,557.17 = 6,556.46 : x
  2. Step 2: Convert to fraction form
    11,276.06/15,557.17 = 6,556.46/x
  3. Step 3: Cross multiply
    11,276.06x = 15,557.17 × 6,556.46
  4. Step 4: Simplify right side
    11,276.06x = 101,999,962.82
  5. Step 5: Solve for x
    x = 101,999,962.82/11,276.06
  6. Step 6: Final answer
    x = 9,045.71

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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.