Home / 9,316.62-12,856.59-6,668.46

Finding the Fourth Proportional to 9,316.62, 12,856.59 and 6,668.46

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Solution

The fourth proportional to 9,316.62, 12,856.59 and 6,668.46 is: 9,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.62 : 12,856.59 = 6,668.46 : x
  2. Step 2: Convert to fraction form
    9,316.62/12,856.59 = 6,668.46/x
  3. Step 3: Cross multiply
    9,316.62x = 12,856.59 × 6,668.46
  4. Step 4: Simplify right side
    9,316.62x = 85,733,656.15
  5. Step 5: Solve for x
    x = 85,733,656.15/9,316.62
  6. Step 6: Final answer
    x = 9,202.23

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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.