Home / 9,038.93-12,474.07-5,499.63

Finding the Fourth Proportional to 9,038.93, 12,474.07 and 5,499.63

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Solution

The fourth proportional to 9,038.93, 12,474.07 and 5,499.63 is: 7,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.93 : 12,474.07 = 5,499.63 : x
  2. Step 2: Convert to fraction form
    9,038.93/12,474.07 = 5,499.63/x
  3. Step 3: Cross multiply
    9,038.93x = 12,474.07 × 5,499.63
  4. Step 4: Simplify right side
    9,038.93x = 68,602,755.85
  5. Step 5: Solve for x
    x = 68,602,755.85/9,038.93
  6. Step 6: Final answer
    x = 7,589.70

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Half scale
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Double 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.