Home / 11,402.91-17,021.84-9,852.87

Finding the Fourth Proportional to 11,402.91, 17,021.84 and 9,852.87

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Solution

The fourth proportional to 11,402.91, 17,021.84 and 9,852.87 is: 14,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.91 : 17,021.84 = 9,852.87 : x
  2. Step 2: Convert to fraction form
    11,402.91/17,021.84 = 9,852.87/x
  3. Step 3: Cross multiply
    11,402.91x = 17,021.84 × 9,852.87
  4. Step 4: Simplify right side
    11,402.91x = 167,713,927.42
  5. Step 5: Solve for x
    x = 167,713,927.42/11,402.91
  6. Step 6: Final answer
    x = 14,707.99

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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.