Home / 9,228.61-12,735.71-5,250.16

Finding the Fourth Proportional to 9,228.61, 12,735.71 and 5,250.16

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Solution

The fourth proportional to 9,228.61, 12,735.71 and 5,250.16 is: 7,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.61 : 12,735.71 = 5,250.16 : x
  2. Step 2: Convert to fraction form
    9,228.61/12,735.71 = 5,250.16/x
  3. Step 3: Cross multiply
    9,228.61x = 12,735.71 × 5,250.16
  4. Step 4: Simplify right side
    9,228.61x = 66,864,515.21
  5. Step 5: Solve for x
    x = 66,864,515.21/9,228.61
  6. Step 6: Final answer
    x = 7,245.35

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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.