Home / 9,153.18-12,626.75-5,790.33

Finding the Fourth Proportional to 9,153.18, 12,626.75 and 5,790.33

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Solution

The fourth proportional to 9,153.18, 12,626.75 and 5,790.33 is: 7,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.18 : 12,626.75 = 5,790.33 : x
  2. Step 2: Convert to fraction form
    9,153.18/12,626.75 = 5,790.33/x
  3. Step 3: Cross multiply
    9,153.18x = 12,626.75 × 5,790.33
  4. Step 4: Simplify right side
    9,153.18x = 73,113,020.38
  5. Step 5: Solve for x
    x = 73,113,020.38/9,153.18
  6. Step 6: Final answer
    x = 7,987.72

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Half scale
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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.