Home / 8,943.12-13,400.08-4,554.54

Finding the Fourth Proportional to 8,943.12, 13,400.08 and 4,554.54

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Solution

The fourth proportional to 8,943.12, 13,400.08 and 4,554.54 is: 6,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.12 : 13,400.08 = 4,554.54 : x
  2. Step 2: Convert to fraction form
    8,943.12/13,400.08 = 4,554.54/x
  3. Step 3: Cross multiply
    8,943.12x = 13,400.08 × 4,554.54
  4. Step 4: Simplify right side
    8,943.12x = 61,031,200.36
  5. Step 5: Solve for x
    x = 61,031,200.36/8,943.12
  6. Step 6: Final answer
    x = 6,824.37

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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.