Home / 7,020.96-9,687.44-4,898.08

Finding the Fourth Proportional to 7,020.96, 9,687.44 and 4,898.08

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Solution

The fourth proportional to 7,020.96, 9,687.44 and 4,898.08 is: 6,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.96 : 9,687.44 = 4,898.08 : x
  2. Step 2: Convert to fraction form
    7,020.96/9,687.44 = 4,898.08/x
  3. Step 3: Cross multiply
    7,020.96x = 9,687.44 × 4,898.08
  4. Step 4: Simplify right side
    7,020.96x = 47,449,856.12
  5. Step 5: Solve for x
    x = 47,449,856.12/7,020.96
  6. Step 6: Final answer
    x = 6,758.31

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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.