Home / 10,066.68-13,891.32-5,590.32

Finding the Fourth Proportional to 10,066.68, 13,891.32 and 5,590.32

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Solution

The fourth proportional to 10,066.68, 13,891.32 and 5,590.32 is: 7,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.68 : 13,891.32 = 5,590.32 : x
  2. Step 2: Convert to fraction form
    10,066.68/13,891.32 = 5,590.32/x
  3. Step 3: Cross multiply
    10,066.68x = 13,891.32 × 5,590.32
  4. Step 4: Simplify right side
    10,066.68x = 77,656,924.02
  5. Step 5: Solve for x
    x = 77,656,924.02/10,066.68
  6. Step 6: Final answer
    x = 7,714.25

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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.