Home / 7,032.15-9,687.88-4,903.80

Finding the Fourth Proportional to 7,032.15, 9,687.88 and 4,903.80

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Solution

The fourth proportional to 7,032.15, 9,687.88 and 4,903.80 is: 6,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.15 : 9,687.88 = 4,903.80 : x
  2. Step 2: Convert to fraction form
    7,032.15/9,687.88 = 4,903.80/x
  3. Step 3: Cross multiply
    7,032.15x = 9,687.88 × 4,903.80
  4. Step 4: Simplify right side
    7,032.15x = 47,507,425.94
  5. Step 5: Solve for x
    x = 47,507,425.94/7,032.15
  6. Step 6: Final answer
    x = 6,755.75

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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.