Home / 8,903.17-12,286.24-5,368.33

Finding the Fourth Proportional to 8,903.17, 12,286.24 and 5,368.33

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Solution

The fourth proportional to 8,903.17, 12,286.24 and 5,368.33 is: 7,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.17 : 12,286.24 = 5,368.33 : x
  2. Step 2: Convert to fraction form
    8,903.17/12,286.24 = 5,368.33/x
  3. Step 3: Cross multiply
    8,903.17x = 12,286.24 × 5,368.33
  4. Step 4: Simplify right side
    8,903.17x = 65,956,590.78
  5. Step 5: Solve for x
    x = 65,956,590.78/8,903.17
  6. Step 6: Final answer
    x = 7,408.21

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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.