Home / 10,707.99-14,781.65-8,056.05

Finding the Fourth Proportional to 10,707.99, 14,781.65 and 8,056.05

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Solution

The fourth proportional to 10,707.99, 14,781.65 and 8,056.05 is: 11,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.99 : 14,781.65 = 8,056.05 : x
  2. Step 2: Convert to fraction form
    10,707.99/14,781.65 = 8,056.05/x
  3. Step 3: Cross multiply
    10,707.99x = 14,781.65 × 8,056.05
  4. Step 4: Simplify right side
    10,707.99x = 119,081,711.48
  5. Step 5: Solve for x
    x = 119,081,711.48/10,707.99
  6. Step 6: Final answer
    x = 11,120.83

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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.