Home / 9,863.19-13,611.27-5,386.98

Finding the Fourth Proportional to 9,863.19, 13,611.27 and 5,386.98

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Solution

The fourth proportional to 9,863.19, 13,611.27 and 5,386.98 is: 7,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.19 : 13,611.27 = 5,386.98 : x
  2. Step 2: Convert to fraction form
    9,863.19/13,611.27 = 5,386.98/x
  3. Step 3: Cross multiply
    9,863.19x = 13,611.27 × 5,386.98
  4. Step 4: Simplify right side
    9,863.19x = 73,323,639.26
  5. Step 5: Solve for x
    x = 73,323,639.26/9,863.19
  6. Step 6: Final answer
    x = 7,434.07

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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.