Home / 12,038.87-16,606.68-7,255.55

Finding the Fourth Proportional to 12,038.87, 16,606.68 and 7,255.55

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Solution

The fourth proportional to 12,038.87, 16,606.68 and 7,255.55 is: 10,008.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.87 : 16,606.68 = 7,255.55 : x
  2. Step 2: Convert to fraction form
    12,038.87/16,606.68 = 7,255.55/x
  3. Step 3: Cross multiply
    12,038.87x = 16,606.68 × 7,255.55
  4. Step 4: Simplify right side
    12,038.87x = 120,490,597.07
  5. Step 5: Solve for x
    x = 120,490,597.07/12,038.87
  6. Step 6: Final answer
    x = 10,008.46

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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.