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Finding the Fourth Proportional to 9,349.58, 12,913.58 and 6,827.65

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Solution

The fourth proportional to 9,349.58, 12,913.58 and 6,827.65 is: 9,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.58 : 12,913.58 = 6,827.65 : x
  2. Step 2: Convert to fraction form
    9,349.58/12,913.58 = 6,827.65/x
  3. Step 3: Cross multiply
    9,349.58x = 12,913.58 × 6,827.65
  4. Step 4: Simplify right side
    9,349.58x = 88,169,404.49
  5. Step 5: Solve for x
    x = 88,169,404.49/9,349.58
  6. Step 6: Final answer
    x = 9,430.31

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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.