Home / 9,129.42-12,598.52-4,937.67

Finding the Fourth Proportional to 9,129.42, 12,598.52 and 4,937.67

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Solution

The fourth proportional to 9,129.42, 12,598.52 and 4,937.67 is: 6,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.42 : 12,598.52 = 4,937.67 : x
  2. Step 2: Convert to fraction form
    9,129.42/12,598.52 = 4,937.67/x
  3. Step 3: Cross multiply
    9,129.42x = 12,598.52 × 4,937.67
  4. Step 4: Simplify right side
    9,129.42x = 62,207,309.56
  5. Step 5: Solve for x
    x = 62,207,309.56/9,129.42
  6. Step 6: Final answer
    x = 6,813.94

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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.