Home / 11,306.45-15,603.29-6,270.38

Finding the Fourth Proportional to 11,306.45, 15,603.29 and 6,270.38

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Solution

The fourth proportional to 11,306.45, 15,603.29 and 6,270.38 is: 8,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.45 : 15,603.29 = 6,270.38 : x
  2. Step 2: Convert to fraction form
    11,306.45/15,603.29 = 6,270.38/x
  3. Step 3: Cross multiply
    11,306.45x = 15,603.29 × 6,270.38
  4. Step 4: Simplify right side
    11,306.45x = 97,838,557.55
  5. Step 5: Solve for x
    x = 97,838,557.55/11,306.45
  6. Step 6: Final answer
    x = 8,653.34

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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.