Home / 12,427.60-17,150.08-6,762.34

Finding the Fourth Proportional to 12,427.60, 17,150.08 and 6,762.34

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Solution

The fourth proportional to 12,427.60, 17,150.08 and 6,762.34 is: 9,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.60 : 17,150.08 = 6,762.34 : x
  2. Step 2: Convert to fraction form
    12,427.60/17,150.08 = 6,762.34/x
  3. Step 3: Cross multiply
    12,427.60x = 17,150.08 × 6,762.34
  4. Step 4: Simplify right side
    12,427.60x = 115,974,655.08
  5. Step 5: Solve for x
    x = 115,974,655.08/12,427.60
  6. Step 6: Final answer
    x = 9,332.02

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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.