Home / 12,045.58-16,622.43-6,740.38

Finding the Fourth Proportional to 12,045.58, 16,622.43 and 6,740.38

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Solution

The fourth proportional to 12,045.58, 16,622.43 and 6,740.38 is: 9,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.58 : 16,622.43 = 6,740.38 : x
  2. Step 2: Convert to fraction form
    12,045.58/16,622.43 = 6,740.38/x
  3. Step 3: Cross multiply
    12,045.58x = 16,622.43 × 6,740.38
  4. Step 4: Simplify right side
    12,045.58x = 112,041,494.72
  5. Step 5: Solve for x
    x = 112,041,494.72/12,045.58
  6. Step 6: Final answer
    x = 9,301.46

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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.