Home / 10,057.07-13,878.27-5,580.77

Finding the Fourth Proportional to 10,057.07, 13,878.27 and 5,580.77

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Solution

The fourth proportional to 10,057.07, 13,878.27 and 5,580.77 is: 7,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.07 : 13,878.27 = 5,580.77 : x
  2. Step 2: Convert to fraction form
    10,057.07/13,878.27 = 5,580.77/x
  3. Step 3: Cross multiply
    10,057.07x = 13,878.27 × 5,580.77
  4. Step 4: Simplify right side
    10,057.07x = 77,451,363.48
  5. Step 5: Solve for x
    x = 77,451,363.48/10,057.07
  6. Step 6: Final answer
    x = 7,701.19

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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.