Home / 11,111.76-15,333.84-6,076.08

Finding the Fourth Proportional to 11,111.76, 15,333.84 and 6,076.08

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Solution

The fourth proportional to 11,111.76, 15,333.84 and 6,076.08 is: 8,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.76 : 15,333.84 = 6,076.08 : x
  2. Step 2: Convert to fraction form
    11,111.76/15,333.84 = 6,076.08/x
  3. Step 3: Cross multiply
    11,111.76x = 15,333.84 × 6,076.08
  4. Step 4: Simplify right side
    11,111.76x = 93,169,638.55
  5. Step 5: Solve for x
    x = 93,169,638.55/11,111.76
  6. Step 6: Final answer
    x = 8,384.78

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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.