Home / 13,033.02-17,985.60-7,064.64

Finding the Fourth Proportional to 13,033.02, 17,985.60 and 7,064.64

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Solution

The fourth proportional to 13,033.02, 17,985.60 and 7,064.64 is: 9,749.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.02 : 17,985.60 = 7,064.64 : x
  2. Step 2: Convert to fraction form
    13,033.02/17,985.60 = 7,064.64/x
  3. Step 3: Cross multiply
    13,033.02x = 17,985.60 × 7,064.64
  4. Step 4: Simplify right side
    13,033.02x = 127,061,789.18
  5. Step 5: Solve for x
    x = 127,061,789.18/13,033.02
  6. Step 6: Final answer
    x = 9,749.22

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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.