Home / 7,801.32-10,771.56-4,818.36

Finding the Fourth Proportional to 7,801.32, 10,771.56 and 4,818.36

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Solution

The fourth proportional to 7,801.32, 10,771.56 and 4,818.36 is: 6,652.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.32 : 10,771.56 = 4,818.36 : x
  2. Step 2: Convert to fraction form
    7,801.32/10,771.56 = 4,818.36/x
  3. Step 3: Cross multiply
    7,801.32x = 10,771.56 × 4,818.36
  4. Step 4: Simplify right side
    7,801.32x = 51,901,253.84
  5. Step 5: Solve for x
    x = 51,901,253.84/7,801.32
  6. Step 6: Final answer
    x = 6,652.88

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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.