Home / 9,851.02-13,581.77-7,160.03

Finding the Fourth Proportional to 9,851.02, 13,581.77 and 7,160.03

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Solution

The fourth proportional to 9,851.02, 13,581.77 and 7,160.03 is: 9,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.02 : 13,581.77 = 7,160.03 : x
  2. Step 2: Convert to fraction form
    9,851.02/13,581.77 = 7,160.03/x
  3. Step 3: Cross multiply
    9,851.02x = 13,581.77 × 7,160.03
  4. Step 4: Simplify right side
    9,851.02x = 97,245,830.64
  5. Step 5: Solve for x
    x = 97,245,830.64/9,851.02
  6. Step 6: Final answer
    x = 9,871.65

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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.