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Finding the Fourth Proportional to 6,913.86, 10,326.71 and 6,254.72

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Solution

The fourth proportional to 6,913.86, 10,326.71 and 6,254.72 is: 9,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.86 : 10,326.71 = 6,254.72 : x
  2. Step 2: Convert to fraction form
    6,913.86/10,326.71 = 6,254.72/x
  3. Step 3: Cross multiply
    6,913.86x = 10,326.71 × 6,254.72
  4. Step 4: Simplify right side
    6,913.86x = 64,590,679.57
  5. Step 5: Solve for x
    x = 64,590,679.57/6,913.86
  6. Step 6: Final answer
    x = 9,342.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.