Home / 7,980.33-11,013.60-4,444.08

Finding the Fourth Proportional to 7,980.33, 11,013.60 and 4,444.08

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Solution

The fourth proportional to 7,980.33, 11,013.60 and 4,444.08 is: 6,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.33 : 11,013.60 = 4,444.08 : x
  2. Step 2: Convert to fraction form
    7,980.33/11,013.60 = 4,444.08/x
  3. Step 3: Cross multiply
    7,980.33x = 11,013.60 × 4,444.08
  4. Step 4: Simplify right side
    7,980.33x = 48,945,319.49
  5. Step 5: Solve for x
    x = 48,945,319.49/7,980.33
  6. Step 6: Final answer
    x = 6,133.25

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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.