Home / 7,964.41-10,985.59-6,176.54

Finding the Fourth Proportional to 7,964.41, 10,985.59 and 6,176.54

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Solution

The fourth proportional to 7,964.41, 10,985.59 and 6,176.54 is: 8,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.41 : 10,985.59 = 6,176.54 : x
  2. Step 2: Convert to fraction form
    7,964.41/10,985.59 = 6,176.54/x
  3. Step 3: Cross multiply
    7,964.41x = 10,985.59 × 6,176.54
  4. Step 4: Simplify right side
    7,964.41x = 67,852,936.06
  5. Step 5: Solve for x
    x = 67,852,936.06/7,964.41
  6. Step 6: Final answer
    x = 8,519.52

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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.