Home / 10,740.48-16,088.40-5,198.40

Finding the Fourth Proportional to 10,740.48, 16,088.40 and 5,198.40

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Solution

The fourth proportional to 10,740.48, 16,088.40 and 5,198.40 is: 7,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.48 : 16,088.40 = 5,198.40 : x
  2. Step 2: Convert to fraction form
    10,740.48/16,088.40 = 5,198.40/x
  3. Step 3: Cross multiply
    10,740.48x = 16,088.40 × 5,198.40
  4. Step 4: Simplify right side
    10,740.48x = 83,633,938.56
  5. Step 5: Solve for x
    x = 83,633,938.56/10,740.48
  6. Step 6: Final answer
    x = 7,786.80

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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.