Home / 10,666.75-14,727.36-6,899.02

Finding the Fourth Proportional to 10,666.75, 14,727.36 and 6,899.02

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Solution

The fourth proportional to 10,666.75, 14,727.36 and 6,899.02 is: 9,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.75 : 14,727.36 = 6,899.02 : x
  2. Step 2: Convert to fraction form
    10,666.75/14,727.36 = 6,899.02/x
  3. Step 3: Cross multiply
    10,666.75x = 14,727.36 × 6,899.02
  4. Step 4: Simplify right side
    10,666.75x = 101,604,351.19
  5. Step 5: Solve for x
    x = 101,604,351.19/10,666.75
  6. Step 6: Final answer
    x = 9,525.33

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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.