Home / 7,873.47-10,865.88-4,336.68

Finding the Fourth Proportional to 7,873.47, 10,865.88 and 4,336.68

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Solution

The fourth proportional to 7,873.47, 10,865.88 and 4,336.68 is: 5,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.47 : 10,865.88 = 4,336.68 : x
  2. Step 2: Convert to fraction form
    7,873.47/10,865.88 = 4,336.68/x
  3. Step 3: Cross multiply
    7,873.47x = 10,865.88 × 4,336.68
  4. Step 4: Simplify right side
    7,873.47x = 47,121,844.48
  5. Step 5: Solve for x
    x = 47,121,844.48/7,873.47
  6. Step 6: Final answer
    x = 5,984.89

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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.