Home / 11,558.23-15,946.40-6,521.83

Finding the Fourth Proportional to 11,558.23, 15,946.40 and 6,521.83

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Solution

The fourth proportional to 11,558.23, 15,946.40 and 6,521.83 is: 8,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.23 : 15,946.40 = 6,521.83 : x
  2. Step 2: Convert to fraction form
    11,558.23/15,946.40 = 6,521.83/x
  3. Step 3: Cross multiply
    11,558.23x = 15,946.40 × 6,521.83
  4. Step 4: Simplify right side
    11,558.23x = 103,999,677.30
  5. Step 5: Solve for x
    x = 103,999,677.30/11,558.23
  6. Step 6: Final answer
    x = 8,997.89

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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.