Home / 9,995.10-14,992.66-3,421.34

Finding the Fourth Proportional to 9,995.10, 14,992.66 and 3,421.34

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Solution

The fourth proportional to 9,995.10, 14,992.66 and 3,421.34 is: 5,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.10 : 14,992.66 = 3,421.34 : x
  2. Step 2: Convert to fraction form
    9,995.10/14,992.66 = 3,421.34/x
  3. Step 3: Cross multiply
    9,995.10x = 14,992.66 × 3,421.34
  4. Step 4: Simplify right side
    9,995.10x = 51,294,987.36
  5. Step 5: Solve for x
    x = 51,294,987.36/9,995.10
  6. Step 6: Final answer
    x = 5,132.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.