Home / 9,740.92-13,442.70-5,549.08

Finding the Fourth Proportional to 9,740.92, 13,442.70 and 5,549.08

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Solution

The fourth proportional to 9,740.92, 13,442.70 and 5,549.08 is: 7,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,740.92 : 13,442.70 = 5,549.08 : x
  2. Step 2: Convert to fraction form
    9,740.92/13,442.70 = 5,549.08/x
  3. Step 3: Cross multiply
    9,740.92x = 13,442.70 × 5,549.08
  4. Step 4: Simplify right side
    9,740.92x = 74,594,617.72
  5. Step 5: Solve for x
    x = 74,594,617.72/9,740.92
  6. Step 6: Final answer
    x = 7,657.86

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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.