Home / 10,629.45-14,668.29-5,913.63

Finding the Fourth Proportional to 10,629.45, 14,668.29 and 5,913.63

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Solution

The fourth proportional to 10,629.45, 14,668.29 and 5,913.63 is: 8,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.45 : 14,668.29 = 5,913.63 : x
  2. Step 2: Convert to fraction form
    10,629.45/14,668.29 = 5,913.63/x
  3. Step 3: Cross multiply
    10,629.45x = 14,668.29 × 5,913.63
  4. Step 4: Simplify right side
    10,629.45x = 86,742,839.79
  5. Step 5: Solve for x
    x = 86,742,839.79/10,629.45
  6. Step 6: Final answer
    x = 8,160.61

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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.