Home / 7,862.46-10,838.79-5,497.26

Finding the Fourth Proportional to 7,862.46, 10,838.79 and 5,497.26

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Solution

The fourth proportional to 7,862.46, 10,838.79 and 5,497.26 is: 7,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.46 : 10,838.79 = 5,497.26 : x
  2. Step 2: Convert to fraction form
    7,862.46/10,838.79 = 5,497.26/x
  3. Step 3: Cross multiply
    7,862.46x = 10,838.79 × 5,497.26
  4. Step 4: Simplify right side
    7,862.46x = 59,583,646.72
  5. Step 5: Solve for x
    x = 59,583,646.72/7,862.46
  6. Step 6: Final answer
    x = 7,578.24

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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.