Home / 10,953.30-15,117.12-6,238.02

Finding the Fourth Proportional to 10,953.30, 15,117.12 and 6,238.02

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Solution

The fourth proportional to 10,953.30, 15,117.12 and 6,238.02 is: 8,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.30 : 15,117.12 = 6,238.02 : x
  2. Step 2: Convert to fraction form
    10,953.30/15,117.12 = 6,238.02/x
  3. Step 3: Cross multiply
    10,953.30x = 15,117.12 × 6,238.02
  4. Step 4: Simplify right side
    10,953.30x = 94,300,896.90
  5. Step 5: Solve for x
    x = 94,300,896.90/10,953.30
  6. Step 6: Final answer
    x = 8,609.36

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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.