Home / 9,735.40-14,603.10-3,161.80

Finding the Fourth Proportional to 9,735.40, 14,603.10 and 3,161.80

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Solution

The fourth proportional to 9,735.40, 14,603.10 and 3,161.80 is: 4,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,735.40 : 14,603.10 = 3,161.80 : x
  2. Step 2: Convert to fraction form
    9,735.40/14,603.10 = 3,161.80/x
  3. Step 3: Cross multiply
    9,735.40x = 14,603.10 × 3,161.80
  4. Step 4: Simplify right side
    9,735.40x = 46,172,081.58
  5. Step 5: Solve for x
    x = 46,172,081.58/9,735.40
  6. Step 6: Final answer
    x = 4,742.70

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1.5x scale

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.