Home / 12,045.51-16,622.85-6,740.33

Finding the Fourth Proportional to 12,045.51, 16,622.85 and 6,740.33

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Solution

The fourth proportional to 12,045.51, 16,622.85 and 6,740.33 is: 9,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.51 : 16,622.85 = 6,740.33 : x
  2. Step 2: Convert to fraction form
    12,045.51/16,622.85 = 6,740.33/x
  3. Step 3: Cross multiply
    12,045.51x = 16,622.85 × 6,740.33
  4. Step 4: Simplify right side
    12,045.51x = 112,043,411.43
  5. Step 5: Solve for x
    x = 112,043,411.43/12,045.51
  6. Step 6: Final answer
    x = 9,301.67

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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.