Home / 12,045.74-16,622.84-6,740.51

Finding the Fourth Proportional to 12,045.74, 16,622.84 and 6,740.51

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Solution

The fourth proportional to 12,045.74, 16,622.84 and 6,740.51 is: 9,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.74 : 16,622.84 = 6,740.51 : x
  2. Step 2: Convert to fraction form
    12,045.74/16,622.84 = 6,740.51/x
  3. Step 3: Cross multiply
    12,045.74x = 16,622.84 × 6,740.51
  4. Step 4: Simplify right side
    12,045.74x = 112,046,352.99
  5. Step 5: Solve for x
    x = 112,046,352.99/12,045.74
  6. Step 6: Final answer
    x = 9,301.74

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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.