Home / 9,104.31-12,563.10-5,125.32

Finding the Fourth Proportional to 9,104.31, 12,563.10 and 5,125.32

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Solution

The fourth proportional to 9,104.31, 12,563.10 and 5,125.32 is: 7,072.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.31 : 12,563.10 = 5,125.32 : x
  2. Step 2: Convert to fraction form
    9,104.31/12,563.10 = 5,125.32/x
  3. Step 3: Cross multiply
    9,104.31x = 12,563.10 × 5,125.32
  4. Step 4: Simplify right side
    9,104.31x = 64,389,907.69
  5. Step 5: Solve for x
    x = 64,389,907.69/9,104.31
  6. Step 6: Final answer
    x = 7,072.46

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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.