Home / 10,955.42-16,438.65-4,383.50

Finding the Fourth Proportional to 10,955.42, 16,438.65 and 4,383.50

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Solution

The fourth proportional to 10,955.42, 16,438.65 and 4,383.50 is: 6,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.42 : 16,438.65 = 4,383.50 : x
  2. Step 2: Convert to fraction form
    10,955.42/16,438.65 = 4,383.50/x
  3. Step 3: Cross multiply
    10,955.42x = 16,438.65 × 4,383.50
  4. Step 4: Simplify right side
    10,955.42x = 72,058,822.28
  5. Step 5: Solve for x
    x = 72,058,822.28/10,955.42
  6. Step 6: Final answer
    x = 6,577.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.