Home / 10,720.76-14,794.68-6,005.12

Finding the Fourth Proportional to 10,720.76, 14,794.68 and 6,005.12

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Solution

The fourth proportional to 10,720.76, 14,794.68 and 6,005.12 is: 8,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.76 : 14,794.68 = 6,005.12 : x
  2. Step 2: Convert to fraction form
    10,720.76/14,794.68 = 6,005.12/x
  3. Step 3: Cross multiply
    10,720.76x = 14,794.68 × 6,005.12
  4. Step 4: Simplify right side
    10,720.76x = 88,843,828.76
  5. Step 5: Solve for x
    x = 88,843,828.76/10,720.76
  6. Step 6: Final answer
    x = 8,287.08

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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.