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Finding the Fourth Proportional to 6,925.42, 10,425.13 and 6,211

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Solution

The fourth proportional to 6,925.42, 10,425.13 and 6,211 is: 9,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.42 : 10,425.13 = 6,211 : x
  2. Step 2: Convert to fraction form
    6,925.42/10,425.13 = 6,211/x
  3. Step 3: Cross multiply
    6,925.42x = 10,425.13 × 6,211
  4. Step 4: Simplify right side
    6,925.42x = 64,750,482.43
  5. Step 5: Solve for x
    x = 64,750,482.43/6,925.42
  6. Step 6: Final answer
    x = 9,349.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.