Home / 12,055.15-16,625.01-8,271.64

Finding the Fourth Proportional to 12,055.15, 16,625.01 and 8,271.64

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Solution

The fourth proportional to 12,055.15, 16,625.01 and 8,271.64 is: 11,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.15 : 16,625.01 = 8,271.64 : x
  2. Step 2: Convert to fraction form
    12,055.15/16,625.01 = 8,271.64/x
  3. Step 3: Cross multiply
    12,055.15x = 16,625.01 × 8,271.64
  4. Step 4: Simplify right side
    12,055.15x = 137,516,045.92
  5. Step 5: Solve for x
    x = 137,516,045.92/12,055.15
  6. Step 6: Final answer
    x = 11,407.25

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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.