Home / 9,111.51-13,666.74-3,844.28

Finding the Fourth Proportional to 9,111.51, 13,666.74 and 3,844.28

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Solution

The fourth proportional to 9,111.51, 13,666.74 and 3,844.28 is: 5,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.51 : 13,666.74 = 3,844.28 : x
  2. Step 2: Convert to fraction form
    9,111.51/13,666.74 = 3,844.28/x
  3. Step 3: Cross multiply
    9,111.51x = 13,666.74 × 3,844.28
  4. Step 4: Simplify right side
    9,111.51x = 52,538,706.91
  5. Step 5: Solve for x
    x = 52,538,706.91/9,111.51
  6. Step 6: Final answer
    x = 5,766.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.