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Finding the Fourth Proportional to 9,308.90, 13,946.95 and 4,916.68

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Solution

The fourth proportional to 9,308.90, 13,946.95 and 4,916.68 is: 7,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.90 : 13,946.95 = 4,916.68 : x
  2. Step 2: Convert to fraction form
    9,308.90/13,946.95 = 4,916.68/x
  3. Step 3: Cross multiply
    9,308.90x = 13,946.95 × 4,916.68
  4. Step 4: Simplify right side
    9,308.90x = 68,572,690.13
  5. Step 5: Solve for x
    x = 68,572,690.13/9,308.90
  6. Step 6: Final answer
    x = 7,366.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.