Home / 11,564.16-17,374.76-7,405.96

Finding the Fourth Proportional to 11,564.16, 17,374.76 and 7,405.96

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Solution

The fourth proportional to 11,564.16, 17,374.76 and 7,405.96 is: 11,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,564.16 : 17,374.76 = 7,405.96 : x
  2. Step 2: Convert to fraction form
    11,564.16/17,374.76 = 7,405.96/x
  3. Step 3: Cross multiply
    11,564.16x = 17,374.76 × 7,405.96
  4. Step 4: Simplify right side
    11,564.16x = 128,676,777.57
  5. Step 5: Solve for x
    x = 128,676,777.57/11,564.16
  6. Step 6: Final answer
    x = 11,127.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.