Home / 11,381.03-15,706.98-6,346.07

Finding the Fourth Proportional to 11,381.03, 15,706.98 and 6,346.07

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Solution

The fourth proportional to 11,381.03, 15,706.98 and 6,346.07 is: 8,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.03 : 15,706.98 = 6,346.07 : x
  2. Step 2: Convert to fraction form
    11,381.03/15,706.98 = 6,346.07/x
  3. Step 3: Cross multiply
    11,381.03x = 15,706.98 × 6,346.07
  4. Step 4: Simplify right side
    11,381.03x = 99,677,594.57
  5. Step 5: Solve for x
    x = 99,677,594.57/11,381.03
  6. Step 6: Final answer
    x = 8,758.22

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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.