Home / 10,514.34-14,514.39-6,980.58

Finding the Fourth Proportional to 10,514.34, 14,514.39 and 6,980.58

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Solution

The fourth proportional to 10,514.34, 14,514.39 and 6,980.58 is: 9,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.34 : 14,514.39 = 6,980.58 : x
  2. Step 2: Convert to fraction form
    10,514.34/14,514.39 = 6,980.58/x
  3. Step 3: Cross multiply
    10,514.34x = 14,514.39 × 6,980.58
  4. Step 4: Simplify right side
    10,514.34x = 101,318,860.55
  5. Step 5: Solve for x
    x = 101,318,860.55/10,514.34
  6. Step 6: Final answer
    x = 9,636.25

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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.