Home / 9,918.72-14,884.56-4,725

Finding the Fourth Proportional to 9,918.72, 14,884.56 and 4,725

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Solution

The fourth proportional to 9,918.72, 14,884.56 and 4,725 is: 7,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.72 : 14,884.56 = 4,725 : x
  2. Step 2: Convert to fraction form
    9,918.72/14,884.56 = 4,725/x
  3. Step 3: Cross multiply
    9,918.72x = 14,884.56 × 4,725
  4. Step 4: Simplify right side
    9,918.72x = 70,329,546
  5. Step 5: Solve for x
    x = 70,329,546/9,918.72
  6. Step 6: Final answer
    x = 7,090.59

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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.