Home / 7,089.49-9,783.35-4,438.36

Finding the Fourth Proportional to 7,089.49, 9,783.35 and 4,438.36

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Solution

The fourth proportional to 7,089.49, 9,783.35 and 4,438.36 is: 6,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.49 : 9,783.35 = 4,438.36 : x
  2. Step 2: Convert to fraction form
    7,089.49/9,783.35 = 4,438.36/x
  3. Step 3: Cross multiply
    7,089.49x = 9,783.35 × 4,438.36
  4. Step 4: Simplify right side
    7,089.49x = 43,422,007.11
  5. Step 5: Solve for x
    x = 43,422,007.11/7,089.49
  6. Step 6: Final answer
    x = 6,124.84

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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.