Home / 10,303.60-15,450.54-5,372.32

Finding the Fourth Proportional to 10,303.60, 15,450.54 and 5,372.32

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Solution

The fourth proportional to 10,303.60, 15,450.54 and 5,372.32 is: 8,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.60 : 15,450.54 = 5,372.32 : x
  2. Step 2: Convert to fraction form
    10,303.60/15,450.54 = 5,372.32/x
  3. Step 3: Cross multiply
    10,303.60x = 15,450.54 × 5,372.32
  4. Step 4: Simplify right side
    10,303.60x = 83,005,245.05
  5. Step 5: Solve for x
    x = 83,005,245.05/10,303.60
  6. Step 6: Final answer
    x = 8,055.95

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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.