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Finding the Fourth Proportional to 9,337.56, 12,886.74 and 6,975.60

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Solution

The fourth proportional to 9,337.56, 12,886.74 and 6,975.60 is: 9,627.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.56 : 12,886.74 = 6,975.60 : x
  2. Step 2: Convert to fraction form
    9,337.56/12,886.74 = 6,975.60/x
  3. Step 3: Cross multiply
    9,337.56x = 12,886.74 × 6,975.60
  4. Step 4: Simplify right side
    9,337.56x = 89,892,743.54
  5. Step 5: Solve for x
    x = 89,892,743.54/9,337.56
  6. Step 6: Final answer
    x = 9,627.01

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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.