Home / 7,479.26-10,315.32-6,581.06

Finding the Fourth Proportional to 7,479.26, 10,315.32 and 6,581.06

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Solution

The fourth proportional to 7,479.26, 10,315.32 and 6,581.06 is: 9,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.26 : 10,315.32 = 6,581.06 : x
  2. Step 2: Convert to fraction form
    7,479.26/10,315.32 = 6,581.06/x
  3. Step 3: Cross multiply
    7,479.26x = 10,315.32 × 6,581.06
  4. Step 4: Simplify right side
    7,479.26x = 67,885,739.84
  5. Step 5: Solve for x
    x = 67,885,739.84/7,479.26
  6. Step 6: Final answer
    x = 9,076.53

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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.