Home / 8,952.17-12,355.11-5,415.36

Finding the Fourth Proportional to 8,952.17, 12,355.11 and 5,415.36

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Solution

The fourth proportional to 8,952.17, 12,355.11 and 5,415.36 is: 7,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.17 : 12,355.11 = 5,415.36 : x
  2. Step 2: Convert to fraction form
    8,952.17/12,355.11 = 5,415.36/x
  3. Step 3: Cross multiply
    8,952.17x = 12,355.11 × 5,415.36
  4. Step 4: Simplify right side
    8,952.17x = 66,907,368.49
  5. Step 5: Solve for x
    x = 66,907,368.49/8,952.17
  6. Step 6: Final answer
    x = 7,473.88

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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.