Home / 9,858.93-13,604.40-5,878.59

Finding the Fourth Proportional to 9,858.93, 13,604.40 and 5,878.59

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Solution

The fourth proportional to 9,858.93, 13,604.40 and 5,878.59 is: 8,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.93 : 13,604.40 = 5,878.59 : x
  2. Step 2: Convert to fraction form
    9,858.93/13,604.40 = 5,878.59/x
  3. Step 3: Cross multiply
    9,858.93x = 13,604.40 × 5,878.59
  4. Step 4: Simplify right side
    9,858.93x = 79,974,689.80
  5. Step 5: Solve for x
    x = 79,974,689.80/9,858.93
  6. Step 6: Final answer
    x = 8,111.90

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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.