Home / 10,721.52-14,795.78-6,005.80

Finding the Fourth Proportional to 10,721.52, 14,795.78 and 6,005.80

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Solution

The fourth proportional to 10,721.52, 14,795.78 and 6,005.80 is: 8,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.52 : 14,795.78 = 6,005.80 : x
  2. Step 2: Convert to fraction form
    10,721.52/14,795.78 = 6,005.80/x
  3. Step 3: Cross multiply
    10,721.52x = 14,795.78 × 6,005.80
  4. Step 4: Simplify right side
    10,721.52x = 88,860,495.52
  5. Step 5: Solve for x
    x = 88,860,495.52/10,721.52
  6. Step 6: Final answer
    x = 8,288.05

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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.