Home / 9,176.03-12,662.67-5,398.33

Finding the Fourth Proportional to 9,176.03, 12,662.67 and 5,398.33

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Solution

The fourth proportional to 9,176.03, 12,662.67 and 5,398.33 is: 7,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.03 : 12,662.67 = 5,398.33 : x
  2. Step 2: Convert to fraction form
    9,176.03/12,662.67 = 5,398.33/x
  3. Step 3: Cross multiply
    9,176.03x = 12,662.67 × 5,398.33
  4. Step 4: Simplify right side
    9,176.03x = 68,357,271.34
  5. Step 5: Solve for x
    x = 68,357,271.34/9,176.03
  6. Step 6: Final answer
    x = 7,449.55

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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.