Home / 10,946.51-15,106.11-6,166.44

Finding the Fourth Proportional to 10,946.51, 15,106.11 and 6,166.44

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Solution

The fourth proportional to 10,946.51, 15,106.11 and 6,166.44 is: 8,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.51 : 15,106.11 = 6,166.44 : x
  2. Step 2: Convert to fraction form
    10,946.51/15,106.11 = 6,166.44/x
  3. Step 3: Cross multiply
    10,946.51x = 15,106.11 × 6,166.44
  4. Step 4: Simplify right side
    10,946.51x = 93,150,920.95
  5. Step 5: Solve for x
    x = 93,150,920.95/10,946.51
  6. Step 6: Final answer
    x = 8,509.65

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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.