Home / 10,742.63-14,830.29-6,767.75

Finding the Fourth Proportional to 10,742.63, 14,830.29 and 6,767.75

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Solution

The fourth proportional to 10,742.63, 14,830.29 and 6,767.75 is: 9,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.63 : 14,830.29 = 6,767.75 : x
  2. Step 2: Convert to fraction form
    10,742.63/14,830.29 = 6,767.75/x
  3. Step 3: Cross multiply
    10,742.63x = 14,830.29 × 6,767.75
  4. Step 4: Simplify right side
    10,742.63x = 100,367,732.22
  5. Step 5: Solve for x
    x = 100,367,732.22/10,742.63
  6. Step 6: Final answer
    x = 9,342.94

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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.