Home / 12,101.24-16,703.16-7,066.64

Finding the Fourth Proportional to 12,101.24, 16,703.16 and 7,066.64

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Solution

The fourth proportional to 12,101.24, 16,703.16 and 7,066.64 is: 9,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.24 : 16,703.16 = 7,066.64 : x
  2. Step 2: Convert to fraction form
    12,101.24/16,703.16 = 7,066.64/x
  3. Step 3: Cross multiply
    12,101.24x = 16,703.16 × 7,066.64
  4. Step 4: Simplify right side
    12,101.24x = 118,035,218.58
  5. Step 5: Solve for x
    x = 118,035,218.58/12,101.24
  6. Step 6: Final answer
    x = 9,753.98

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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.