Home / 9,862.98-13,611.26-5,386.92

Finding the Fourth Proportional to 9,862.98, 13,611.26 and 5,386.92

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Solution

The fourth proportional to 9,862.98, 13,611.26 and 5,386.92 is: 7,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.98 : 13,611.26 = 5,386.92 : x
  2. Step 2: Convert to fraction form
    9,862.98/13,611.26 = 5,386.92/x
  3. Step 3: Cross multiply
    9,862.98x = 13,611.26 × 5,386.92
  4. Step 4: Simplify right side
    9,862.98x = 73,322,731.14
  5. Step 5: Solve for x
    x = 73,322,731.14/9,862.98
  6. Step 6: Final answer
    x = 7,434.14

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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.