Home / 9,166.15-12,649.29-4,974.40

Finding the Fourth Proportional to 9,166.15, 12,649.29 and 4,974.40

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Solution

The fourth proportional to 9,166.15, 12,649.29 and 4,974.40 is: 6,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.15 : 12,649.29 = 4,974.40 : x
  2. Step 2: Convert to fraction form
    9,166.15/12,649.29 = 4,974.40/x
  3. Step 3: Cross multiply
    9,166.15x = 12,649.29 × 4,974.40
  4. Step 4: Simplify right side
    9,166.15x = 62,922,596.55
  5. Step 5: Solve for x
    x = 62,922,596.55/9,166.15
  6. Step 6: Final answer
    x = 6,864.67

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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.