Home / 11,145.84-15,381.14-6,110.34

Finding the Fourth Proportional to 11,145.84, 15,381.14 and 6,110.34

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Solution

The fourth proportional to 11,145.84, 15,381.14 and 6,110.34 is: 8,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.84 : 15,381.14 = 6,110.34 : x
  2. Step 2: Convert to fraction form
    11,145.84/15,381.14 = 6,110.34/x
  3. Step 3: Cross multiply
    11,145.84x = 15,381.14 × 6,110.34
  4. Step 4: Simplify right side
    11,145.84x = 93,983,994.99
  5. Step 5: Solve for x
    x = 93,983,994.99/11,145.84
  6. Step 6: Final answer
    x = 8,432.20

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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.