Home / 11,459.26-15,806.10-7,481.35

Finding the Fourth Proportional to 11,459.26, 15,806.10 and 7,481.35

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Solution

The fourth proportional to 11,459.26, 15,806.10 and 7,481.35 is: 10,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.26 : 15,806.10 = 7,481.35 : x
  2. Step 2: Convert to fraction form
    11,459.26/15,806.10 = 7,481.35/x
  3. Step 3: Cross multiply
    11,459.26x = 15,806.10 × 7,481.35
  4. Step 4: Simplify right side
    11,459.26x = 118,250,966.24
  5. Step 5: Solve for x
    x = 118,250,966.24/11,459.26
  6. Step 6: Final answer
    x = 10,319.25

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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.