Home / 11,145.96-15,377.48-6,362.45

Finding the Fourth Proportional to 11,145.96, 15,377.48 and 6,362.45

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Solution

The fourth proportional to 11,145.96, 15,377.48 and 6,362.45 is: 8,777.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.96 : 15,377.48 = 6,362.45 : x
  2. Step 2: Convert to fraction form
    11,145.96/15,377.48 = 6,362.45/x
  3. Step 3: Cross multiply
    11,145.96x = 15,377.48 × 6,362.45
  4. Step 4: Simplify right side
    11,145.96x = 97,838,447.63
  5. Step 5: Solve for x
    x = 97,838,447.63/11,145.96
  6. Step 6: Final answer
    x = 8,777.93

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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.