Home / 9,666.15-13,336.23-5,416.62

Finding the Fourth Proportional to 9,666.15, 13,336.23 and 5,416.62

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Solution

The fourth proportional to 9,666.15, 13,336.23 and 5,416.62 is: 7,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666.15 : 13,336.23 = 5,416.62 : x
  2. Step 2: Convert to fraction form
    9,666.15/13,336.23 = 5,416.62/x
  3. Step 3: Cross multiply
    9,666.15x = 13,336.23 × 5,416.62
  4. Step 4: Simplify right side
    9,666.15x = 72,237,290.14
  5. Step 5: Solve for x
    x = 72,237,290.14/9,666.15
  6. Step 6: Final answer
    x = 7,473.22

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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.