Home / 10,445.23-15,664.73-3,047.70

Finding the Fourth Proportional to 10,445.23, 15,664.73 and 3,047.70

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Solution

The fourth proportional to 10,445.23, 15,664.73 and 3,047.70 is: 4,570.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.23 : 15,664.73 = 3,047.70 : x
  2. Step 2: Convert to fraction form
    10,445.23/15,664.73 = 3,047.70/x
  3. Step 3: Cross multiply
    10,445.23x = 15,664.73 × 3,047.70
  4. Step 4: Simplify right side
    10,445.23x = 47,741,405.24
  5. Step 5: Solve for x
    x = 47,741,405.24/10,445.23
  6. Step 6: Final answer
    x = 4,570.64

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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.