Home / 6,903.12-9,519.72-5,327.76

Finding the Fourth Proportional to 6,903.12, 9,519.72 and 5,327.76

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Solution

The fourth proportional to 6,903.12, 9,519.72 and 5,327.76 is: 7,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.12 : 9,519.72 = 5,327.76 : x
  2. Step 2: Convert to fraction form
    6,903.12/9,519.72 = 5,327.76/x
  3. Step 3: Cross multiply
    6,903.12x = 9,519.72 × 5,327.76
  4. Step 4: Simplify right side
    6,903.12x = 50,718,783.43
  5. Step 5: Solve for x
    x = 50,718,783.43/6,903.12
  6. Step 6: Final answer
    x = 7,347.23

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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.