Home / 11,764.34-16,237.90-7,285.55

Finding the Fourth Proportional to 11,764.34, 16,237.90 and 7,285.55

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Solution

The fourth proportional to 11,764.34, 16,237.90 and 7,285.55 is: 10,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.34 : 16,237.90 = 7,285.55 : x
  2. Step 2: Convert to fraction form
    11,764.34/16,237.90 = 7,285.55/x
  3. Step 3: Cross multiply
    11,764.34x = 16,237.90 × 7,285.55
  4. Step 4: Simplify right side
    11,764.34x = 118,301,960.26
  5. Step 5: Solve for x
    x = 118,301,960.26/11,764.34
  6. Step 6: Final answer
    x = 10,055.98

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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.