Home / 7,965.46-10,984.93-5,127.83

Finding the Fourth Proportional to 7,965.46, 10,984.93 and 5,127.83

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Solution

The fourth proportional to 7,965.46, 10,984.93 and 5,127.83 is: 7,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.46 : 10,984.93 = 5,127.83 : x
  2. Step 2: Convert to fraction form
    7,965.46/10,984.93 = 5,127.83/x
  3. Step 3: Cross multiply
    7,965.46x = 10,984.93 × 5,127.83
  4. Step 4: Simplify right side
    7,965.46x = 56,328,853.60
  5. Step 5: Solve for x
    x = 56,328,853.60/7,965.46
  6. Step 6: Final answer
    x = 7,071.64

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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.