Home / 13,033.04-17,985.66-7,659.10

Finding the Fourth Proportional to 13,033.04, 17,985.66 and 7,659.10

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Solution

The fourth proportional to 13,033.04, 17,985.66 and 7,659.10 is: 10,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.04 : 17,985.66 = 7,659.10 : x
  2. Step 2: Convert to fraction form
    13,033.04/17,985.66 = 7,659.10/x
  3. Step 3: Cross multiply
    13,033.04x = 17,985.66 × 7,659.10
  4. Step 4: Simplify right side
    13,033.04x = 137,753,968.51
  5. Step 5: Solve for x
    x = 137,753,968.51/13,033.04
  6. Step 6: Final answer
    x = 10,569.60

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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.