Home / 12,475.79-18,697.48-5,071.63

Finding the Fourth Proportional to 12,475.79, 18,697.48 and 5,071.63

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Solution

The fourth proportional to 12,475.79, 18,697.48 and 5,071.63 is: 7,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.79 : 18,697.48 = 5,071.63 : x
  2. Step 2: Convert to fraction form
    12,475.79/18,697.48 = 5,071.63/x
  3. Step 3: Cross multiply
    12,475.79x = 18,697.48 × 5,071.63
  4. Step 4: Simplify right side
    12,475.79x = 94,826,700.49
  5. Step 5: Solve for x
    x = 94,826,700.49/12,475.79
  6. Step 6: Final answer
    x = 7,600.86

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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.