Home / 8,928.24-12,317.04-6,274.80

Finding the Fourth Proportional to 8,928.24, 12,317.04 and 6,274.80

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Solution

The fourth proportional to 8,928.24, 12,317.04 and 6,274.80 is: 8,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.24 : 12,317.04 = 6,274.80 : x
  2. Step 2: Convert to fraction form
    8,928.24/12,317.04 = 6,274.80/x
  3. Step 3: Cross multiply
    8,928.24x = 12,317.04 × 6,274.80
  4. Step 4: Simplify right side
    8,928.24x = 77,286,962.59
  5. Step 5: Solve for x
    x = 77,286,962.59/8,928.24
  6. Step 6: Final answer
    x = 8,656.46

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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.