Home / 9,740.95-13,442.66-5,549.11

Finding the Fourth Proportional to 9,740.95, 13,442.66 and 5,549.11

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Solution

The fourth proportional to 9,740.95, 13,442.66 and 5,549.11 is: 7,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,740.95 : 13,442.66 = 5,549.11 : x
  2. Step 2: Convert to fraction form
    9,740.95/13,442.66 = 5,549.11/x
  3. Step 3: Cross multiply
    9,740.95x = 13,442.66 × 5,549.11
  4. Step 4: Simplify right side
    9,740.95x = 74,594,799.03
  5. Step 5: Solve for x
    x = 74,594,799.03/9,740.95
  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.