Home / 7,731.15-10,669.56-4,374.30

Finding the Fourth Proportional to 7,731.15, 10,669.56 and 4,374.30

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Solution

The fourth proportional to 7,731.15, 10,669.56 and 4,374.30 is: 6,036.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.15 : 10,669.56 = 4,374.30 : x
  2. Step 2: Convert to fraction form
    7,731.15/10,669.56 = 4,374.30/x
  3. Step 3: Cross multiply
    7,731.15x = 10,669.56 × 4,374.30
  4. Step 4: Simplify right side
    7,731.15x = 46,671,879.92
  5. Step 5: Solve for x
    x = 46,671,879.92/7,731.15
  6. Step 6: Final answer
    x = 6,036.86

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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.