Home / 9,851.24-13,600.10-6,666.92

Finding the Fourth Proportional to 9,851.24, 13,600.10 and 6,666.92

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Solution

The fourth proportional to 9,851.24, 13,600.10 and 6,666.92 is: 9,204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.24 : 13,600.10 = 6,666.92 : x
  2. Step 2: Convert to fraction form
    9,851.24/13,600.10 = 6,666.92/x
  3. Step 3: Cross multiply
    9,851.24x = 13,600.10 × 6,666.92
  4. Step 4: Simplify right side
    9,851.24x = 90,670,778.69
  5. Step 5: Solve for x
    x = 90,670,778.69/9,851.24
  6. Step 6: Final answer
    x = 9,204.00

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Double scale
Find fourth proportional to 9,852.24, 13,601.48 and 6,667.92
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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.