Home / 9,219.36-12,723.63-5,443.77

Finding the Fourth Proportional to 9,219.36, 12,723.63 and 5,443.77

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Solution

The fourth proportional to 9,219.36, 12,723.63 and 5,443.77 is: 7,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.36 : 12,723.63 = 5,443.77 : x
  2. Step 2: Convert to fraction form
    9,219.36/12,723.63 = 5,443.77/x
  3. Step 3: Cross multiply
    9,219.36x = 12,723.63 × 5,443.77
  4. Step 4: Simplify right side
    9,219.36x = 69,264,515.29
  5. Step 5: Solve for x
    x = 69,264,515.29/9,219.36
  6. Step 6: Final answer
    x = 7,512.94

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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.