Home / 10,237.10-15,392.10-8,633.30

Finding the Fourth Proportional to 10,237.10, 15,392.10 and 8,633.30

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Solution

The fourth proportional to 10,237.10, 15,392.10 and 8,633.30 is: 12,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.10 : 15,392.10 = 8,633.30 : x
  2. Step 2: Convert to fraction form
    10,237.10/15,392.10 = 8,633.30/x
  3. Step 3: Cross multiply
    10,237.10x = 15,392.10 × 8,633.30
  4. Step 4: Simplify right side
    10,237.10x = 132,884,616.93
  5. Step 5: Solve for x
    x = 132,884,616.93/10,237.10
  6. Step 6: Final answer
    x = 12,980.69

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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.