Home / 10,667.48-16,002.45-4,428.27

Finding the Fourth Proportional to 10,667.48, 16,002.45 and 4,428.27

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Solution

The fourth proportional to 10,667.48, 16,002.45 and 4,428.27 is: 6,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.48 : 16,002.45 = 4,428.27 : x
  2. Step 2: Convert to fraction form
    10,667.48/16,002.45 = 4,428.27/x
  3. Step 3: Cross multiply
    10,667.48x = 16,002.45 × 4,428.27
  4. Step 4: Simplify right side
    10,667.48x = 70,863,169.26
  5. Step 5: Solve for x
    x = 70,863,169.26/10,667.48
  6. Step 6: Final answer
    x = 6,642.92

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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.