Home / 11,212.58-15,473.55-6,432.53

Finding the Fourth Proportional to 11,212.58, 15,473.55 and 6,432.53

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Solution

The fourth proportional to 11,212.58, 15,473.55 and 6,432.53 is: 8,877.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.58 : 15,473.55 = 6,432.53 : x
  2. Step 2: Convert to fraction form
    11,212.58/15,473.55 = 6,432.53/x
  3. Step 3: Cross multiply
    11,212.58x = 15,473.55 × 6,432.53
  4. Step 4: Simplify right side
    11,212.58x = 99,534,074.58
  5. Step 5: Solve for x
    x = 99,534,074.58/11,212.58
  6. Step 6: Final answer
    x = 8,877.00

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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.