Home / 10,275.24-14,165.10-6,912.12

Finding the Fourth Proportional to 10,275.24, 14,165.10 and 6,912.12

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Solution

The fourth proportional to 10,275.24, 14,165.10 and 6,912.12 is: 9,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.24 : 14,165.10 = 6,912.12 : x
  2. Step 2: Convert to fraction form
    10,275.24/14,165.10 = 6,912.12/x
  3. Step 3: Cross multiply
    10,275.24x = 14,165.10 × 6,912.12
  4. Step 4: Simplify right side
    10,275.24x = 97,910,871.01
  5. Step 5: Solve for x
    x = 97,910,871.01/10,275.24
  6. Step 6: Final answer
    x = 9,528.82

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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.