Home / 10,485.75-15,689.37-6,253.53

Finding the Fourth Proportional to 10,485.75, 15,689.37 and 6,253.53

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Solution

The fourth proportional to 10,485.75, 15,689.37 and 6,253.53 is: 9,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.75 : 15,689.37 = 6,253.53 : x
  2. Step 2: Convert to fraction form
    10,485.75/15,689.37 = 6,253.53/x
  3. Step 3: Cross multiply
    10,485.75x = 15,689.37 × 6,253.53
  4. Step 4: Simplify right side
    10,485.75x = 98,113,945.98
  5. Step 5: Solve for x
    x = 98,113,945.98/10,485.75
  6. Step 6: Final answer
    x = 9,356.88

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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.