Home / 10,945.72-15,102.32-6,695.24

Finding the Fourth Proportional to 10,945.72, 15,102.32 and 6,695.24

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Solution

The fourth proportional to 10,945.72, 15,102.32 and 6,695.24 is: 9,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.72 : 15,102.32 = 6,695.24 : x
  2. Step 2: Convert to fraction form
    10,945.72/15,102.32 = 6,695.24/x
  3. Step 3: Cross multiply
    10,945.72x = 15,102.32 × 6,695.24
  4. Step 4: Simplify right side
    10,945.72x = 101,113,547.97
  5. Step 5: Solve for x
    x = 101,113,547.97/10,945.72
  6. Step 6: Final answer
    x = 9,237.72

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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.