Home / 10,357.74-14,289.13-6,999.33

Finding the Fourth Proportional to 10,357.74, 14,289.13 and 6,999.33

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Solution

The fourth proportional to 10,357.74, 14,289.13 and 6,999.33 is: 9,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.74 : 14,289.13 = 6,999.33 : x
  2. Step 2: Convert to fraction form
    10,357.74/14,289.13 = 6,999.33/x
  3. Step 3: Cross multiply
    10,357.74x = 14,289.13 × 6,999.33
  4. Step 4: Simplify right side
    10,357.74x = 100,014,318.78
  5. Step 5: Solve for x
    x = 100,014,318.78/10,357.74
  6. Step 6: Final answer
    x = 9,656.00

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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.