Home / 6,939.42-9,562.23-4,945.74

Finding the Fourth Proportional to 6,939.42, 9,562.23 and 4,945.74

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Solution

The fourth proportional to 6,939.42, 9,562.23 and 4,945.74 is: 6,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.42 : 9,562.23 = 4,945.74 : x
  2. Step 2: Convert to fraction form
    6,939.42/9,562.23 = 4,945.74/x
  3. Step 3: Cross multiply
    6,939.42x = 9,562.23 × 4,945.74
  4. Step 4: Simplify right side
    6,939.42x = 47,292,303.40
  5. Step 5: Solve for x
    x = 47,292,303.40/6,939.42
  6. Step 6: Final answer
    x = 6,815.02

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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.