Home / 8,886.90-13,325.79-5,196.34

Finding the Fourth Proportional to 8,886.90, 13,325.79 and 5,196.34

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Solution

The fourth proportional to 8,886.90, 13,325.79 and 5,196.34 is: 7,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.90 : 13,325.79 = 5,196.34 : x
  2. Step 2: Convert to fraction form
    8,886.90/13,325.79 = 5,196.34/x
  3. Step 3: Cross multiply
    8,886.90x = 13,325.79 × 5,196.34
  4. Step 4: Simplify right side
    8,886.90x = 69,245,302.29
  5. Step 5: Solve for x
    x = 69,245,302.29/8,886.90
  6. Step 6: Final answer
    x = 7,791.84

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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.