Home / 12,437.34-17,163.10-6,771.99

Finding the Fourth Proportional to 12,437.34, 17,163.10 and 6,771.99

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Solution

The fourth proportional to 12,437.34, 17,163.10 and 6,771.99 is: 9,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.34 : 17,163.10 = 6,771.99 : x
  2. Step 2: Convert to fraction form
    12,437.34/17,163.10 = 6,771.99/x
  3. Step 3: Cross multiply
    12,437.34x = 17,163.10 × 6,771.99
  4. Step 4: Simplify right side
    12,437.34x = 116,228,341.57
  5. Step 5: Solve for x
    x = 116,228,341.57/12,437.34
  6. Step 6: Final answer
    x = 9,345.11

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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.