Home / 10,155.58-14,015.37-6,176.86

Finding the Fourth Proportional to 10,155.58, 14,015.37 and 6,176.86

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Solution

The fourth proportional to 10,155.58, 14,015.37 and 6,176.86 is: 8,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.58 : 14,015.37 = 6,176.86 : x
  2. Step 2: Convert to fraction form
    10,155.58/14,015.37 = 6,176.86/x
  3. Step 3: Cross multiply
    10,155.58x = 14,015.37 × 6,176.86
  4. Step 4: Simplify right side
    10,155.58x = 86,570,978.34
  5. Step 5: Solve for x
    x = 86,570,978.34/10,155.58
  6. Step 6: Final answer
    x = 8,524.47

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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.