Home / 9,799.80-14,689.63-3,874.28

Finding the Fourth Proportional to 9,799.80, 14,689.63 and 3,874.28

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Solution

The fourth proportional to 9,799.80, 14,689.63 and 3,874.28 is: 5,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.80 : 14,689.63 = 3,874.28 : x
  2. Step 2: Convert to fraction form
    9,799.80/14,689.63 = 3,874.28/x
  3. Step 3: Cross multiply
    9,799.80x = 14,689.63 × 3,874.28
  4. Step 4: Simplify right side
    9,799.80x = 56,911,739.72
  5. Step 5: Solve for x
    x = 56,911,739.72/9,799.80
  6. Step 6: Final answer
    x = 5,807.44

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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.