Home / 9,153.83-12,631.59-6,173.70

Finding the Fourth Proportional to 9,153.83, 12,631.59 and 6,173.70

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Solution

The fourth proportional to 9,153.83, 12,631.59 and 6,173.70 is: 8,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.83 : 12,631.59 = 6,173.70 : x
  2. Step 2: Convert to fraction form
    9,153.83/12,631.59 = 6,173.70/x
  3. Step 3: Cross multiply
    9,153.83x = 12,631.59 × 6,173.70
  4. Step 4: Simplify right side
    9,153.83x = 77,983,647.18
  5. Step 5: Solve for x
    x = 77,983,647.18/9,153.83
  6. Step 6: Final answer
    x = 8,519.24

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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.