Home / 7,072.40-10,599.71-6,192.81

Finding the Fourth Proportional to 7,072.40, 10,599.71 and 6,192.81

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Solution

The fourth proportional to 7,072.40, 10,599.71 and 6,192.81 is: 9,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.40 : 10,599.71 = 6,192.81 : x
  2. Step 2: Convert to fraction form
    7,072.40/10,599.71 = 6,192.81/x
  3. Step 3: Cross multiply
    7,072.40x = 10,599.71 × 6,192.81
  4. Step 4: Simplify right side
    7,072.40x = 65,641,990.09
  5. Step 5: Solve for x
    x = 65,641,990.09/7,072.40
  6. Step 6: Final answer
    x = 9,281.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.