Home / 10,626.95-15,857.40-9,520.09

Finding the Fourth Proportional to 10,626.95, 15,857.40 and 9,520.09

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Solution

The fourth proportional to 10,626.95, 15,857.40 and 9,520.09 is: 14,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.95 : 15,857.40 = 9,520.09 : x
  2. Step 2: Convert to fraction form
    10,626.95/15,857.40 = 9,520.09/x
  3. Step 3: Cross multiply
    10,626.95x = 15,857.40 × 9,520.09
  4. Step 4: Simplify right side
    10,626.95x = 150,963,817.67
  5. Step 5: Solve for x
    x = 150,963,817.67/10,626.95
  6. Step 6: Final answer
    x = 14,205.75

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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.