Home / 7,014.43-10,530.81-4,689.36

Finding the Fourth Proportional to 7,014.43, 10,530.81 and 4,689.36

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Solution

The fourth proportional to 7,014.43, 10,530.81 and 4,689.36 is: 7,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.43 : 10,530.81 = 4,689.36 : x
  2. Step 2: Convert to fraction form
    7,014.43/10,530.81 = 4,689.36/x
  3. Step 3: Cross multiply
    7,014.43x = 10,530.81 × 4,689.36
  4. Step 4: Simplify right side
    7,014.43x = 49,382,759.18
  5. Step 5: Solve for x
    x = 49,382,759.18/7,014.43
  6. Step 6: Final answer
    x = 7,040.17

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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.