Home / 10,713.12-14,784.24-6,174.77

Finding the Fourth Proportional to 10,713.12, 14,784.24 and 6,174.77

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Solution

The fourth proportional to 10,713.12, 14,784.24 and 6,174.77 is: 8,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.12 : 14,784.24 = 6,174.77 : x
  2. Step 2: Convert to fraction form
    10,713.12/14,784.24 = 6,174.77/x
  3. Step 3: Cross multiply
    10,713.12x = 14,784.24 × 6,174.77
  4. Step 4: Simplify right side
    10,713.12x = 91,289,207.70
  5. Step 5: Solve for x
    x = 91,289,207.70/10,713.12
  6. Step 6: Final answer
    x = 8,521.25

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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.