Home / 6,673.28-9,209-4,315.36

Finding the Fourth Proportional to 6,673.28, 9,209 and 4,315.36

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Solution

The fourth proportional to 6,673.28, 9,209 and 4,315.36 is: 5,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.28 : 9,209 = 4,315.36 : x
  2. Step 2: Convert to fraction form
    6,673.28/9,209 = 4,315.36/x
  3. Step 3: Cross multiply
    6,673.28x = 9,209 × 4,315.36
  4. Step 4: Simplify right side
    6,673.28x = 39,740,150.24
  5. Step 5: Solve for x
    x = 39,740,150.24/6,673.28
  6. Step 6: Final answer
    x = 5,955.12

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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.