Home / 13,053.33-18,013.73-7,085.06

Finding the Fourth Proportional to 13,053.33, 18,013.73 and 7,085.06

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Solution

The fourth proportional to 13,053.33, 18,013.73 and 7,085.06 is: 9,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.33 : 18,013.73 = 7,085.06 : x
  2. Step 2: Convert to fraction form
    13,053.33/18,013.73 = 7,085.06/x
  3. Step 3: Cross multiply
    13,053.33x = 18,013.73 × 7,085.06
  4. Step 4: Simplify right side
    13,053.33x = 127,628,232.38
  5. Step 5: Solve for x
    x = 127,628,232.38/13,053.33
  6. Step 6: Final answer
    x = 9,777.45

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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.