Home / 10,355.58-14,291.10-5,879.74

Finding the Fourth Proportional to 10,355.58, 14,291.10 and 5,879.74

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Solution

The fourth proportional to 10,355.58, 14,291.10 and 5,879.74 is: 8,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.58 : 14,291.10 = 5,879.74 : x
  2. Step 2: Convert to fraction form
    10,355.58/14,291.10 = 5,879.74/x
  3. Step 3: Cross multiply
    10,355.58x = 14,291.10 × 5,879.74
  4. Step 4: Simplify right side
    10,355.58x = 84,027,948.13
  5. Step 5: Solve for x
    x = 84,027,948.13/10,355.58
  6. Step 6: Final answer
    x = 8,114.27

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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.