Home / 9,627.13-13,285.43-5,211.13

Finding the Fourth Proportional to 9,627.13, 13,285.43 and 5,211.13

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Solution

The fourth proportional to 9,627.13, 13,285.43 and 5,211.13 is: 7,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,627.13 : 13,285.43 = 5,211.13 : x
  2. Step 2: Convert to fraction form
    9,627.13/13,285.43 = 5,211.13/x
  3. Step 3: Cross multiply
    9,627.13x = 13,285.43 × 5,211.13
  4. Step 4: Simplify right side
    9,627.13x = 69,232,102.84
  5. Step 5: Solve for x
    x = 69,232,102.84/9,627.13
  6. Step 6: Final answer
    x = 7,191.35

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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.