Home / 10,712.86-14,783.90-6,173.04

Finding the Fourth Proportional to 10,712.86, 14,783.90 and 6,173.04

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Solution

The fourth proportional to 10,712.86, 14,783.90 and 6,173.04 is: 8,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.86 : 14,783.90 = 6,173.04 : x
  2. Step 2: Convert to fraction form
    10,712.86/14,783.90 = 6,173.04/x
  3. Step 3: Cross multiply
    10,712.86x = 14,783.90 × 6,173.04
  4. Step 4: Simplify right side
    10,712.86x = 91,261,575.19
  5. Step 5: Solve for x
    x = 91,261,575.19/10,712.86
  6. Step 6: Final answer
    x = 8,518.88

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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.