Home / 9,130.50-12,600.18-4,938.84

Finding the Fourth Proportional to 9,130.50, 12,600.18 and 4,938.84

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Solution

The fourth proportional to 9,130.50, 12,600.18 and 4,938.84 is: 6,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.50 : 12,600.18 = 4,938.84 : x
  2. Step 2: Convert to fraction form
    9,130.50/12,600.18 = 4,938.84/x
  3. Step 3: Cross multiply
    9,130.50x = 12,600.18 × 4,938.84
  4. Step 4: Simplify right side
    9,130.50x = 62,230,272.99
  5. Step 5: Solve for x
    x = 62,230,272.99/9,130.50
  6. Step 6: Final answer
    x = 6,815.65

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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.