Home / 7,898.11-10,904.47-5,066.70

Finding the Fourth Proportional to 7,898.11, 10,904.47 and 5,066.70

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Solution

The fourth proportional to 7,898.11, 10,904.47 and 5,066.70 is: 6,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.11 : 10,904.47 = 5,066.70 : x
  2. Step 2: Convert to fraction form
    7,898.11/10,904.47 = 5,066.70/x
  3. Step 3: Cross multiply
    7,898.11x = 10,904.47 × 5,066.70
  4. Step 4: Simplify right side
    7,898.11x = 55,249,714.43
  5. Step 5: Solve for x
    x = 55,249,714.43/7,898.11
  6. Step 6: Final answer
    x = 6,995.31

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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.