Home / 9,814.34-13,530.54-6,665.06

Finding the Fourth Proportional to 9,814.34, 13,530.54 and 6,665.06

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Solution

The fourth proportional to 9,814.34, 13,530.54 and 6,665.06 is: 9,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,814.34 : 13,530.54 = 6,665.06 : x
  2. Step 2: Convert to fraction form
    9,814.34/13,530.54 = 6,665.06/x
  3. Step 3: Cross multiply
    9,814.34x = 13,530.54 × 6,665.06
  4. Step 4: Simplify right side
    9,814.34x = 90,181,860.93
  5. Step 5: Solve for x
    x = 90,181,860.93/9,814.34
  6. Step 6: Final answer
    x = 9,188.79

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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.