Home / 11,740.12-16,199.10-7,547.80

Finding the Fourth Proportional to 11,740.12, 16,199.10 and 7,547.80

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Solution

The fourth proportional to 11,740.12, 16,199.10 and 7,547.80 is: 10,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.12 : 16,199.10 = 7,547.80 : x
  2. Step 2: Convert to fraction form
    11,740.12/16,199.10 = 7,547.80/x
  3. Step 3: Cross multiply
    11,740.12x = 16,199.10 × 7,547.80
  4. Step 4: Simplify right side
    11,740.12x = 122,267,566.98
  5. Step 5: Solve for x
    x = 122,267,566.98/11,740.12
  6. Step 6: Final answer
    x = 10,414.51

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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.