Home / 11,345.56-15,664.26-10,561.48

Finding the Fourth Proportional to 11,345.56, 15,664.26 and 10,561.48

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Solution

The fourth proportional to 11,345.56, 15,664.26 and 10,561.48 is: 14,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.56 : 15,664.26 = 10,561.48 : x
  2. Step 2: Convert to fraction form
    11,345.56/15,664.26 = 10,561.48/x
  3. Step 3: Cross multiply
    11,345.56x = 15,664.26 × 10,561.48
  4. Step 4: Simplify right side
    11,345.56x = 165,437,768.70
  5. Step 5: Solve for x
    x = 165,437,768.70/11,345.56
  6. Step 6: Final answer
    x = 14,581.72

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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.