Home / 12,630.06-18,931.32-4,837.08

Finding the Fourth Proportional to 12,630.06, 18,931.32 and 4,837.08

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Solution

The fourth proportional to 12,630.06, 18,931.32 and 4,837.08 is: 7,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630.06 : 18,931.32 = 4,837.08 : x
  2. Step 2: Convert to fraction form
    12,630.06/18,931.32 = 4,837.08/x
  3. Step 3: Cross multiply
    12,630.06x = 18,931.32 × 4,837.08
  4. Step 4: Simplify right side
    12,630.06x = 91,572,309.35
  5. Step 5: Solve for x
    x = 91,572,309.35/12,630.06
  6. Step 6: Final answer
    x = 7,250.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.