Home / 12,011.99-16,567.42-10,336.20

Finding the Fourth Proportional to 12,011.99, 16,567.42 and 10,336.20

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Solution

The fourth proportional to 12,011.99, 16,567.42 and 10,336.20 is: 14,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.99 : 16,567.42 = 10,336.20 : x
  2. Step 2: Convert to fraction form
    12,011.99/16,567.42 = 10,336.20/x
  3. Step 3: Cross multiply
    12,011.99x = 16,567.42 × 10,336.20
  4. Step 4: Simplify right side
    12,011.99x = 171,244,140.76
  5. Step 5: Solve for x
    x = 171,244,140.76/12,011.99
  6. Step 6: Final answer
    x = 14,256.11

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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.