Home / 11,538.12-15,922.71-6,502.35

Finding the Fourth Proportional to 11,538.12, 15,922.71 and 6,502.35

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Solution

The fourth proportional to 11,538.12, 15,922.71 and 6,502.35 is: 8,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.12 : 15,922.71 = 6,502.35 : x
  2. Step 2: Convert to fraction form
    11,538.12/15,922.71 = 6,502.35/x
  3. Step 3: Cross multiply
    11,538.12x = 15,922.71 × 6,502.35
  4. Step 4: Simplify right side
    11,538.12x = 103,535,033.37
  5. Step 5: Solve for x
    x = 103,535,033.37/11,538.12
  6. Step 6: Final answer
    x = 8,973.30

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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.