Home / 10,347.66-15,525.27-6,455.34

Finding the Fourth Proportional to 10,347.66, 15,525.27 and 6,455.34

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Solution

The fourth proportional to 10,347.66, 15,525.27 and 6,455.34 is: 9,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.66 : 15,525.27 = 6,455.34 : x
  2. Step 2: Convert to fraction form
    10,347.66/15,525.27 = 6,455.34/x
  3. Step 3: Cross multiply
    10,347.66x = 15,525.27 × 6,455.34
  4. Step 4: Simplify right side
    10,347.66x = 100,220,896.44
  5. Step 5: Solve for x
    x = 100,220,896.44/10,347.66
  6. Step 6: Final answer
    x = 9,685.37

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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.