Home / 9,063.36-13,642.80-7,727.04

Finding the Fourth Proportional to 9,063.36, 13,642.80 and 7,727.04

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Solution

The fourth proportional to 9,063.36, 13,642.80 and 7,727.04 is: 11,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.36 : 13,642.80 = 7,727.04 : x
  2. Step 2: Convert to fraction form
    9,063.36/13,642.80 = 7,727.04/x
  3. Step 3: Cross multiply
    9,063.36x = 13,642.80 × 7,727.04
  4. Step 4: Simplify right side
    9,063.36x = 105,418,461.31
  5. Step 5: Solve for x
    x = 105,418,461.31/9,063.36
  6. Step 6: Final answer
    x = 11,631.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.