Home / 11,412.48-17,154.36-7,541.76

Finding the Fourth Proportional to 11,412.48, 17,154.36 and 7,541.76

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Solution

The fourth proportional to 11,412.48, 17,154.36 and 7,541.76 is: 11,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.48 : 17,154.36 = 7,541.76 : x
  2. Step 2: Convert to fraction form
    11,412.48/17,154.36 = 7,541.76/x
  3. Step 3: Cross multiply
    11,412.48x = 17,154.36 × 7,541.76
  4. Step 4: Simplify right side
    11,412.48x = 129,374,066.07
  5. Step 5: Solve for x
    x = 129,374,066.07/11,412.48
  6. Step 6: Final answer
    x = 11,336.19

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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.