Home / 13,053.15-18,013.29-7,084.77

Finding the Fourth Proportional to 13,053.15, 18,013.29 and 7,084.77

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Solution

The fourth proportional to 13,053.15, 18,013.29 and 7,084.77 is: 9,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.15 : 18,013.29 = 7,084.77 : x
  2. Step 2: Convert to fraction form
    13,053.15/18,013.29 = 7,084.77/x
  3. Step 3: Cross multiply
    13,053.15x = 18,013.29 × 7,084.77
  4. Step 4: Simplify right side
    13,053.15x = 127,619,922.48
  5. Step 5: Solve for x
    x = 127,619,922.48/13,053.15
  6. Step 6: Final answer
    x = 9,776.94

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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.