Home / 8,603.28-11,878.23-6,610.27

Finding the Fourth Proportional to 8,603.28, 11,878.23 and 6,610.27

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Solution

The fourth proportional to 8,603.28, 11,878.23 and 6,610.27 is: 9,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.28 : 11,878.23 = 6,610.27 : x
  2. Step 2: Convert to fraction form
    8,603.28/11,878.23 = 6,610.27/x
  3. Step 3: Cross multiply
    8,603.28x = 11,878.23 × 6,610.27
  4. Step 4: Simplify right side
    8,603.28x = 78,518,307.42
  5. Step 5: Solve for x
    x = 78,518,307.42/8,603.28
  6. Step 6: Final answer
    x = 9,126.56

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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.