Home / 9,336.60-13,990.32-4,405.32

Finding the Fourth Proportional to 9,336.60, 13,990.32 and 4,405.32

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Solution

The fourth proportional to 9,336.60, 13,990.32 and 4,405.32 is: 6,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.60 : 13,990.32 = 4,405.32 : x
  2. Step 2: Convert to fraction form
    9,336.60/13,990.32 = 4,405.32/x
  3. Step 3: Cross multiply
    9,336.60x = 13,990.32 × 4,405.32
  4. Step 4: Simplify right side
    9,336.60x = 61,631,836.50
  5. Step 5: Solve for x
    x = 61,631,836.50/9,336.60
  6. Step 6: Final answer
    x = 6,601.10

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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.