Home / 10,987.43-16,448.73-6,814.01

Finding the Fourth Proportional to 10,987.43, 16,448.73 and 6,814.01

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Solution

The fourth proportional to 10,987.43, 16,448.73 and 6,814.01 is: 10,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.43 : 16,448.73 = 6,814.01 : x
  2. Step 2: Convert to fraction form
    10,987.43/16,448.73 = 6,814.01/x
  3. Step 3: Cross multiply
    10,987.43x = 16,448.73 × 6,814.01
  4. Step 4: Simplify right side
    10,987.43x = 112,081,728.46
  5. Step 5: Solve for x
    x = 112,081,728.46/10,987.43
  6. Step 6: Final answer
    x = 10,200.91

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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.