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Finding the Fourth Proportional to 11,053.76, 15,254.88 and 6,085.76

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Solution

The fourth proportional to 11,053.76, 15,254.88 and 6,085.76 is: 8,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.76 : 15,254.88 = 6,085.76 : x
  2. Step 2: Convert to fraction form
    11,053.76/15,254.88 = 6,085.76/x
  3. Step 3: Cross multiply
    11,053.76x = 15,254.88 × 6,085.76
  4. Step 4: Simplify right side
    11,053.76x = 92,837,538.51
  5. Step 5: Solve for x
    x = 92,837,538.51/11,053.76
  6. Step 6: Final answer
    x = 8,398.73

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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.