Home / 10,712.88-14,784.48-6,238.08

Finding the Fourth Proportional to 10,712.88, 14,784.48 and 6,238.08

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Solution

The fourth proportional to 10,712.88, 14,784.48 and 6,238.08 is: 8,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.88 : 14,784.48 = 6,238.08 : x
  2. Step 2: Convert to fraction form
    10,712.88/14,784.48 = 6,238.08/x
  3. Step 3: Cross multiply
    10,712.88x = 14,784.48 × 6,238.08
  4. Step 4: Simplify right side
    10,712.88x = 92,226,769.00
  5. Step 5: Solve for x
    x = 92,226,769.00/10,712.88
  6. Step 6: Final answer
    x = 8,608.96

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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.