Home / 10,929.96-15,081.03-6,949.62

Finding the Fourth Proportional to 10,929.96, 15,081.03 and 6,949.62

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Solution

The fourth proportional to 10,929.96, 15,081.03 and 6,949.62 is: 9,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.96 : 15,081.03 = 6,949.62 : x
  2. Step 2: Convert to fraction form
    10,929.96/15,081.03 = 6,949.62/x
  3. Step 3: Cross multiply
    10,929.96x = 15,081.03 × 6,949.62
  4. Step 4: Simplify right side
    10,929.96x = 104,807,427.71
  5. Step 5: Solve for x
    x = 104,807,427.71/10,929.96
  6. Step 6: Final answer
    x = 9,589.00

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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.