Home / 11,088.48-15,304.20-7,109.48

Finding the Fourth Proportional to 11,088.48, 15,304.20 and 7,109.48

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Solution

The fourth proportional to 11,088.48, 15,304.20 and 7,109.48 is: 9,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.48 : 15,304.20 = 7,109.48 : x
  2. Step 2: Convert to fraction form
    11,088.48/15,304.20 = 7,109.48/x
  3. Step 3: Cross multiply
    11,088.48x = 15,304.20 × 7,109.48
  4. Step 4: Simplify right side
    11,088.48x = 108,804,903.82
  5. Step 5: Solve for x
    x = 108,804,903.82/11,088.48
  6. Step 6: Final answer
    x = 9,812.43

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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.