Home / 13,050.04-18,009.07-7,081.82

Finding the Fourth Proportional to 13,050.04, 18,009.07 and 7,081.82

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Solution

The fourth proportional to 13,050.04, 18,009.07 and 7,081.82 is: 9,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.04 : 18,009.07 = 7,081.82 : x
  2. Step 2: Convert to fraction form
    13,050.04/18,009.07 = 7,081.82/x
  3. Step 3: Cross multiply
    13,050.04x = 18,009.07 × 7,081.82
  4. Step 4: Simplify right side
    13,050.04x = 127,536,902.06
  5. Step 5: Solve for x
    x = 127,536,902.06/13,050.04
  6. Step 6: Final answer
    x = 9,772.91

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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.