Home / 9,177.65-12,667.19-5,200.96

Finding the Fourth Proportional to 9,177.65, 12,667.19 and 5,200.96

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Solution

The fourth proportional to 9,177.65, 12,667.19 and 5,200.96 is: 7,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.65 : 12,667.19 = 5,200.96 : x
  2. Step 2: Convert to fraction form
    9,177.65/12,667.19 = 5,200.96/x
  3. Step 3: Cross multiply
    9,177.65x = 12,667.19 × 5,200.96
  4. Step 4: Simplify right side
    9,177.65x = 65,881,485.17
  5. Step 5: Solve for x
    x = 65,881,485.17/9,177.65
  6. Step 6: Final answer
    x = 7,178.47

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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.