Home / 12,590.55-17,374.59-6,925.32

Finding the Fourth Proportional to 12,590.55, 17,374.59 and 6,925.32

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Solution

The fourth proportional to 12,590.55, 17,374.59 and 6,925.32 is: 9,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.55 : 17,374.59 = 6,925.32 : x
  2. Step 2: Convert to fraction form
    12,590.55/17,374.59 = 6,925.32/x
  3. Step 3: Cross multiply
    12,590.55x = 17,374.59 × 6,925.32
  4. Step 4: Simplify right side
    12,590.55x = 120,324,595.62
  5. Step 5: Solve for x
    x = 120,324,595.62/12,590.55
  6. Step 6: Final answer
    x = 9,556.74

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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.