Home / 13,053.33-18,013.64-7,085.00

Finding the Fourth Proportional to 13,053.33, 18,013.64 and 7,085.00

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Solution

The fourth proportional to 13,053.33, 18,013.64 and 7,085.00 is: 9,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.33 : 18,013.64 = 7,085.00 : x
  2. Step 2: Convert to fraction form
    13,053.33/18,013.64 = 7,085.00/x
  3. Step 3: Cross multiply
    13,053.33x = 18,013.64 × 7,085.00
  4. Step 4: Simplify right side
    13,053.33x = 127,626,649.01
  5. Step 5: Solve for x
    x = 127,626,649.01/13,053.33
  6. Step 6: Final answer
    x = 9,777.32

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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.