Home / 9,555.06-13,186.04-5,306.06

Finding the Fourth Proportional to 9,555.06, 13,186.04 and 5,306.06

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Solution

The fourth proportional to 9,555.06, 13,186.04 and 5,306.06 is: 7,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.06 : 13,186.04 = 5,306.06 : x
  2. Step 2: Convert to fraction form
    9,555.06/13,186.04 = 5,306.06/x
  3. Step 3: Cross multiply
    9,555.06x = 13,186.04 × 5,306.06
  4. Step 4: Simplify right side
    9,555.06x = 69,965,826.94
  5. Step 5: Solve for x
    x = 69,965,826.94/9,555.06
  6. Step 6: Final answer
    x = 7,322.38

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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.