Home / 8,436.95-11,642.93-4,660.36

Finding the Fourth Proportional to 8,436.95, 11,642.93 and 4,660.36

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Solution

The fourth proportional to 8,436.95, 11,642.93 and 4,660.36 is: 6,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.95 : 11,642.93 = 4,660.36 : x
  2. Step 2: Convert to fraction form
    8,436.95/11,642.93 = 4,660.36/x
  3. Step 3: Cross multiply
    8,436.95x = 11,642.93 × 4,660.36
  4. Step 4: Simplify right side
    8,436.95x = 54,260,192.85
  5. Step 5: Solve for x
    x = 54,260,192.85/8,436.95
  6. Step 6: Final answer
    x = 6,431.26

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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.