Home / 8,933.49-12,328.54-5,396.01

Finding the Fourth Proportional to 8,933.49, 12,328.54 and 5,396.01

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Solution

The fourth proportional to 8,933.49, 12,328.54 and 5,396.01 is: 7,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.49 : 12,328.54 = 5,396.01 : x
  2. Step 2: Convert to fraction form
    8,933.49/12,328.54 = 5,396.01/x
  3. Step 3: Cross multiply
    8,933.49x = 12,328.54 × 5,396.01
  4. Step 4: Simplify right side
    8,933.49x = 66,524,898.15
  5. Step 5: Solve for x
    x = 66,524,898.15/8,933.49
  6. Step 6: Final answer
    x = 7,446.69

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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.