Home / 10,223.09-14,103.09-6,637.77

Finding the Fourth Proportional to 10,223.09, 14,103.09 and 6,637.77

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Solution

The fourth proportional to 10,223.09, 14,103.09 and 6,637.77 is: 9,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.09 : 14,103.09 = 6,637.77 : x
  2. Step 2: Convert to fraction form
    10,223.09/14,103.09 = 6,637.77/x
  3. Step 3: Cross multiply
    10,223.09x = 14,103.09 × 6,637.77
  4. Step 4: Simplify right side
    10,223.09x = 93,613,067.71
  5. Step 5: Solve for x
    x = 93,613,067.71/10,223.09
  6. Step 6: Final answer
    x = 9,157.03

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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.