Home / 11,777.13-16,240.55-7,064.10

Finding the Fourth Proportional to 11,777.13, 16,240.55 and 7,064.10

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Solution

The fourth proportional to 11,777.13, 16,240.55 and 7,064.10 is: 9,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.13 : 16,240.55 = 7,064.10 : x
  2. Step 2: Convert to fraction form
    11,777.13/16,240.55 = 7,064.10/x
  3. Step 3: Cross multiply
    11,777.13x = 16,240.55 × 7,064.10
  4. Step 4: Simplify right side
    11,777.13x = 114,724,833.93
  5. Step 5: Solve for x
    x = 114,724,833.93/11,777.13
  6. Step 6: Final answer
    x = 9,741.32

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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.