Home / 10,647.91-14,698.56-6,668.11

Finding the Fourth Proportional to 10,647.91, 14,698.56 and 6,668.11

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Solution

The fourth proportional to 10,647.91, 14,698.56 and 6,668.11 is: 9,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.91 : 14,698.56 = 6,668.11 : x
  2. Step 2: Convert to fraction form
    10,647.91/14,698.56 = 6,668.11/x
  3. Step 3: Cross multiply
    10,647.91x = 14,698.56 × 6,668.11
  4. Step 4: Simplify right side
    10,647.91x = 98,011,614.92
  5. Step 5: Solve for x
    x = 98,011,614.92/10,647.91
  6. Step 6: Final answer
    x = 9,204.77

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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.