Home / 10,668.12-14,721.90-5,888.32

Finding the Fourth Proportional to 10,668.12, 14,721.90 and 5,888.32

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Solution

The fourth proportional to 10,668.12, 14,721.90 and 5,888.32 is: 8,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.12 : 14,721.90 = 5,888.32 : x
  2. Step 2: Convert to fraction form
    10,668.12/14,721.90 = 5,888.32/x
  3. Step 3: Cross multiply
    10,668.12x = 14,721.90 × 5,888.32
  4. Step 4: Simplify right side
    10,668.12x = 86,687,258.21
  5. Step 5: Solve for x
    x = 86,687,258.21/10,668.12
  6. Step 6: Final answer
    x = 8,125.82

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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.