Home / 9,834.08-13,569.39-6,478.25

Finding the Fourth Proportional to 9,834.08, 13,569.39 and 6,478.25

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Solution

The fourth proportional to 9,834.08, 13,569.39 and 6,478.25 is: 8,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,834.08 : 13,569.39 = 6,478.25 : x
  2. Step 2: Convert to fraction form
    9,834.08/13,569.39 = 6,478.25/x
  3. Step 3: Cross multiply
    9,834.08x = 13,569.39 × 6,478.25
  4. Step 4: Simplify right side
    9,834.08x = 87,905,832.92
  5. Step 5: Solve for x
    x = 87,905,832.92/9,834.08
  6. Step 6: Final answer
    x = 8,938.90

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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.