Home / 7,483.12-11,228.48-5,305.84

Finding the Fourth Proportional to 7,483.12, 11,228.48 and 5,305.84

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Solution

The fourth proportional to 7,483.12, 11,228.48 and 5,305.84 is: 7,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.12 : 11,228.48 = 5,305.84 : x
  2. Step 2: Convert to fraction form
    7,483.12/11,228.48 = 5,305.84/x
  3. Step 3: Cross multiply
    7,483.12x = 11,228.48 × 5,305.84
  4. Step 4: Simplify right side
    7,483.12x = 59,576,518.32
  5. Step 5: Solve for x
    x = 59,576,518.32/7,483.12
  6. Step 6: Final answer
    x = 7,961.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.