Home / 11,573.12-15,952.20-7,374.08

Finding the Fourth Proportional to 11,573.12, 15,952.20 and 7,374.08

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Solution

The fourth proportional to 11,573.12, 15,952.20 and 7,374.08 is: 10,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.12 : 15,952.20 = 7,374.08 : x
  2. Step 2: Convert to fraction form
    11,573.12/15,952.20 = 7,374.08/x
  3. Step 3: Cross multiply
    11,573.12x = 15,952.20 × 7,374.08
  4. Step 4: Simplify right side
    11,573.12x = 117,632,798.98
  5. Step 5: Solve for x
    x = 117,632,798.98/11,573.12
  6. Step 6: Final answer
    x = 10,164.31

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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.