Home / 12,078.04-16,667.87-7,297.32

Finding the Fourth Proportional to 12,078.04, 16,667.87 and 7,297.32

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Solution

The fourth proportional to 12,078.04, 16,667.87 and 7,297.32 is: 10,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078.04 : 16,667.87 = 7,297.32 : x
  2. Step 2: Convert to fraction form
    12,078.04/16,667.87 = 7,297.32/x
  3. Step 3: Cross multiply
    12,078.04x = 16,667.87 × 7,297.32
  4. Step 4: Simplify right side
    12,078.04x = 121,630,771.99
  5. Step 5: Solve for x
    x = 121,630,771.99/12,078.04
  6. Step 6: Final answer
    x = 10,070.41

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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.