Home / 8,533.13-11,778.95-5,740.25

Finding the Fourth Proportional to 8,533.13, 11,778.95 and 5,740.25

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Solution

The fourth proportional to 8,533.13, 11,778.95 and 5,740.25 is: 7,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.13 : 11,778.95 = 5,740.25 : x
  2. Step 2: Convert to fraction form
    8,533.13/11,778.95 = 5,740.25/x
  3. Step 3: Cross multiply
    8,533.13x = 11,778.95 × 5,740.25
  4. Step 4: Simplify right side
    8,533.13x = 67,614,073.19
  5. Step 5: Solve for x
    x = 67,614,073.19/8,533.13
  6. Step 6: Final answer
    x = 7,923.72

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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.