Home / 11,111.04-16,670.40-4,187.52

Finding the Fourth Proportional to 11,111.04, 16,670.40 and 4,187.52

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Solution

The fourth proportional to 11,111.04, 16,670.40 and 4,187.52 is: 6,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.04 : 16,670.40 = 4,187.52 : x
  2. Step 2: Convert to fraction form
    11,111.04/16,670.40 = 4,187.52/x
  3. Step 3: Cross multiply
    11,111.04x = 16,670.40 × 4,187.52
  4. Step 4: Simplify right side
    11,111.04x = 69,807,633.41
  5. Step 5: Solve for x
    x = 69,807,633.41/11,111.04
  6. Step 6: Final answer
    x = 6,282.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.