Home / 6,862.16-10,293.14-1,931.54

Finding the Fourth Proportional to 6,862.16, 10,293.14 and 1,931.54

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Solution

The fourth proportional to 6,862.16, 10,293.14 and 1,931.54 is: 2,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.16 : 10,293.14 = 1,931.54 : x
  2. Step 2: Convert to fraction form
    6,862.16/10,293.14 = 1,931.54/x
  3. Step 3: Cross multiply
    6,862.16x = 10,293.14 × 1,931.54
  4. Step 4: Simplify right side
    6,862.16x = 19,881,611.64
  5. Step 5: Solve for x
    x = 19,881,611.64/6,862.16
  6. Step 6: Final answer
    x = 2,897.28

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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.