Home / 11,111.64-15,334.32-6,076.06

Finding the Fourth Proportional to 11,111.64, 15,334.32 and 6,076.06

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Solution

The fourth proportional to 11,111.64, 15,334.32 and 6,076.06 is: 8,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.64 : 15,334.32 = 6,076.06 : x
  2. Step 2: Convert to fraction form
    11,111.64/15,334.32 = 6,076.06/x
  3. Step 3: Cross multiply
    11,111.64x = 15,334.32 × 6,076.06
  4. Step 4: Simplify right side
    11,111.64x = 93,172,248.38
  5. Step 5: Solve for x
    x = 93,172,248.38/11,111.64
  6. Step 6: Final answer
    x = 8,385.10

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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.