Home / 7,829.74-10,805.47-4,644.92

Finding the Fourth Proportional to 7,829.74, 10,805.47 and 4,644.92

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Solution

The fourth proportional to 7,829.74, 10,805.47 and 4,644.92 is: 6,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.74 : 10,805.47 = 4,644.92 : x
  2. Step 2: Convert to fraction form
    7,829.74/10,805.47 = 4,644.92/x
  3. Step 3: Cross multiply
    7,829.74x = 10,805.47 × 4,644.92
  4. Step 4: Simplify right side
    7,829.74x = 50,190,543.71
  5. Step 5: Solve for x
    x = 50,190,543.71/7,829.74
  6. Step 6: Final answer
    x = 6,410.24

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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.