Home / 7,345.98-11,008.27-3,398.45

Finding the Fourth Proportional to 7,345.98, 11,008.27 and 3,398.45

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Solution

The fourth proportional to 7,345.98, 11,008.27 and 3,398.45 is: 5,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.98 : 11,008.27 = 3,398.45 : x
  2. Step 2: Convert to fraction form
    7,345.98/11,008.27 = 3,398.45/x
  3. Step 3: Cross multiply
    7,345.98x = 11,008.27 × 3,398.45
  4. Step 4: Simplify right side
    7,345.98x = 37,411,055.18
  5. Step 5: Solve for x
    x = 37,411,055.18/7,345.98
  6. Step 6: Final answer
    x = 5,092.72

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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.