Home / 10,431.34-15,626.16-6,269.09

Finding the Fourth Proportional to 10,431.34, 15,626.16 and 6,269.09

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Solution

The fourth proportional to 10,431.34, 15,626.16 and 6,269.09 is: 9,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.34 : 15,626.16 = 6,269.09 : x
  2. Step 2: Convert to fraction form
    10,431.34/15,626.16 = 6,269.09/x
  3. Step 3: Cross multiply
    10,431.34x = 15,626.16 × 6,269.09
  4. Step 4: Simplify right side
    10,431.34x = 97,961,803.39
  5. Step 5: Solve for x
    x = 97,961,803.39/10,431.34
  6. Step 6: Final answer
    x = 9,391.11

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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.