Home / 10,628.33-14,670.18-7,091.53

Finding the Fourth Proportional to 10,628.33, 14,670.18 and 7,091.53

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Solution

The fourth proportional to 10,628.33, 14,670.18 and 7,091.53 is: 9,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.33 : 14,670.18 = 7,091.53 : x
  2. Step 2: Convert to fraction form
    10,628.33/14,670.18 = 7,091.53/x
  3. Step 3: Cross multiply
    10,628.33x = 14,670.18 × 7,091.53
  4. Step 4: Simplify right side
    10,628.33x = 104,034,021.58
  5. Step 5: Solve for x
    x = 104,034,021.58/10,628.33
  6. Step 6: Final answer
    x = 9,788.37

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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.