Home / 12,156.13-16,775.47-6,567.13

Finding the Fourth Proportional to 12,156.13, 16,775.47 and 6,567.13

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Solution

The fourth proportional to 12,156.13, 16,775.47 and 6,567.13 is: 9,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.13 : 16,775.47 = 6,567.13 : x
  2. Step 2: Convert to fraction form
    12,156.13/16,775.47 = 6,567.13/x
  3. Step 3: Cross multiply
    12,156.13x = 16,775.47 × 6,567.13
  4. Step 4: Simplify right side
    12,156.13x = 110,166,659.47
  5. Step 5: Solve for x
    x = 110,166,659.47/12,156.13
  6. Step 6: Final answer
    x = 9,062.64

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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.