Home / 9,228.96-12,735.92-5,037.20

Finding the Fourth Proportional to 9,228.96, 12,735.92 and 5,037.20

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Solution

The fourth proportional to 9,228.96, 12,735.92 and 5,037.20 is: 6,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.96 : 12,735.92 = 5,037.20 : x
  2. Step 2: Convert to fraction form
    9,228.96/12,735.92 = 5,037.20/x
  3. Step 3: Cross multiply
    9,228.96x = 12,735.92 × 5,037.20
  4. Step 4: Simplify right side
    9,228.96x = 64,153,376.22
  5. Step 5: Solve for x
    x = 64,153,376.22/9,228.96
  6. Step 6: Final answer
    x = 6,951.31

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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.