Home / 11,853.56-16,357.50-7,136.96

Finding the Fourth Proportional to 11,853.56, 16,357.50 and 7,136.96

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Solution

The fourth proportional to 11,853.56, 16,357.50 and 7,136.96 is: 9,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.56 : 16,357.50 = 7,136.96 : x
  2. Step 2: Convert to fraction form
    11,853.56/16,357.50 = 7,136.96/x
  3. Step 3: Cross multiply
    11,853.56x = 16,357.50 × 7,136.96
  4. Step 4: Simplify right side
    11,853.56x = 116,742,823.20
  5. Step 5: Solve for x
    x = 116,742,823.20/11,853.56
  6. Step 6: Final answer
    x = 9,848.76

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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.