Home / 9,988.44-13,783.64-5,900.19

Finding the Fourth Proportional to 9,988.44, 13,783.64 and 5,900.19

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Solution

The fourth proportional to 9,988.44, 13,783.64 and 5,900.19 is: 8,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.44 : 13,783.64 = 5,900.19 : x
  2. Step 2: Convert to fraction form
    9,988.44/13,783.64 = 5,900.19/x
  3. Step 3: Cross multiply
    9,988.44x = 13,783.64 × 5,900.19
  4. Step 4: Simplify right side
    9,988.44x = 81,326,065.39
  5. Step 5: Solve for x
    x = 81,326,065.39/9,988.44
  6. Step 6: Final answer
    x = 8,142.02

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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.