Home / 6,315.13-8,706.78-4,322.26

Finding the Fourth Proportional to 6,315.13, 8,706.78 and 4,322.26

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Solution

The fourth proportional to 6,315.13, 8,706.78 and 4,322.26 is: 5,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.13 : 8,706.78 = 4,322.26 : x
  2. Step 2: Convert to fraction form
    6,315.13/8,706.78 = 4,322.26/x
  3. Step 3: Cross multiply
    6,315.13x = 8,706.78 × 4,322.26
  4. Step 4: Simplify right side
    6,315.13x = 37,632,966.92
  5. Step 5: Solve for x
    x = 37,632,966.92/6,315.13
  6. Step 6: Final answer
    x = 5,959.18

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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.