Home / 8,909.52-13,364.16-5,235.06

Finding the Fourth Proportional to 8,909.52, 13,364.16 and 5,235.06

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Solution

The fourth proportional to 8,909.52, 13,364.16 and 5,235.06 is: 7,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.52 : 13,364.16 = 5,235.06 : x
  2. Step 2: Convert to fraction form
    8,909.52/13,364.16 = 5,235.06/x
  3. Step 3: Cross multiply
    8,909.52x = 13,364.16 × 5,235.06
  4. Step 4: Simplify right side
    8,909.52x = 69,962,179.45
  5. Step 5: Solve for x
    x = 69,962,179.45/8,909.52
  6. Step 6: Final answer
    x = 7,852.52

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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.