Home / 11,112.16-15,334.61-6,635.07

Finding the Fourth Proportional to 11,112.16, 15,334.61 and 6,635.07

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Solution

The fourth proportional to 11,112.16, 15,334.61 and 6,635.07 is: 9,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.16 : 15,334.61 = 6,635.07 : x
  2. Step 2: Convert to fraction form
    11,112.16/15,334.61 = 6,635.07/x
  3. Step 3: Cross multiply
    11,112.16x = 15,334.61 × 6,635.07
  4. Step 4: Simplify right side
    11,112.16x = 101,746,210.77
  5. Step 5: Solve for x
    x = 101,746,210.77/11,112.16
  6. Step 6: Final answer
    x = 9,156.29

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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.