Home / 10,399.23-14,341.62-6,866.01

Finding the Fourth Proportional to 10,399.23, 14,341.62 and 6,866.01

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Solution

The fourth proportional to 10,399.23, 14,341.62 and 6,866.01 is: 9,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.23 : 14,341.62 = 6,866.01 : x
  2. Step 2: Convert to fraction form
    10,399.23/14,341.62 = 6,866.01/x
  3. Step 3: Cross multiply
    10,399.23x = 14,341.62 × 6,866.01
  4. Step 4: Simplify right side
    10,399.23x = 98,469,706.34
  5. Step 5: Solve for x
    x = 98,469,706.34/10,399.23
  6. Step 6: Final answer
    x = 9,468.94

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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.