Home / 9,153.16-12,633.45-5,176.60

Finding the Fourth Proportional to 9,153.16, 12,633.45 and 5,176.60

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Solution

The fourth proportional to 9,153.16, 12,633.45 and 5,176.60 is: 7,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.16 : 12,633.45 = 5,176.60 : x
  2. Step 2: Convert to fraction form
    9,153.16/12,633.45 = 5,176.60/x
  3. Step 3: Cross multiply
    9,153.16x = 12,633.45 × 5,176.60
  4. Step 4: Simplify right side
    9,153.16x = 65,398,317.27
  5. Step 5: Solve for x
    x = 65,398,317.27/9,153.16
  6. Step 6: Final answer
    x = 7,144.89

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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.