Home / 10,518.37-14,508.91-6,740.26

Finding the Fourth Proportional to 10,518.37, 14,508.91 and 6,740.26

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Solution

The fourth proportional to 10,518.37, 14,508.91 and 6,740.26 is: 9,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.37 : 14,508.91 = 6,740.26 : x
  2. Step 2: Convert to fraction form
    10,518.37/14,508.91 = 6,740.26/x
  3. Step 3: Cross multiply
    10,518.37x = 14,508.91 × 6,740.26
  4. Step 4: Simplify right side
    10,518.37x = 97,793,825.72
  5. Step 5: Solve for x
    x = 97,793,825.72/10,518.37
  6. Step 6: Final answer
    x = 9,297.43

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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.