Home / 13,053.09-18,013.02-7,084.63

Finding the Fourth Proportional to 13,053.09, 18,013.02 and 7,084.63

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Solution

The fourth proportional to 13,053.09, 18,013.02 and 7,084.63 is: 9,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.09 : 18,013.02 = 7,084.63 : x
  2. Step 2: Convert to fraction form
    13,053.09/18,013.02 = 7,084.63/x
  3. Step 3: Cross multiply
    13,053.09x = 18,013.02 × 7,084.63
  4. Step 4: Simplify right side
    13,053.09x = 127,615,531.73
  5. Step 5: Solve for x
    x = 127,615,531.73/13,053.09
  6. Step 6: Final answer
    x = 9,776.66

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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.