Home / 8,436.36-12,657.10-5,975.94

Finding the Fourth Proportional to 8,436.36, 12,657.10 and 5,975.94

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Solution

The fourth proportional to 8,436.36, 12,657.10 and 5,975.94 is: 8,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.36 : 12,657.10 = 5,975.94 : x
  2. Step 2: Convert to fraction form
    8,436.36/12,657.10 = 5,975.94/x
  3. Step 3: Cross multiply
    8,436.36x = 12,657.10 × 5,975.94
  4. Step 4: Simplify right side
    8,436.36x = 75,638,070.17
  5. Step 5: Solve for x
    x = 75,638,070.17/8,436.36
  6. Step 6: Final answer
    x = 8,965.72

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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.