Home / 7,416.40-11,126.10-2,485.93

Finding the Fourth Proportional to 7,416.40, 11,126.10 and 2,485.93

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Solution

The fourth proportional to 7,416.40, 11,126.10 and 2,485.93 is: 3,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.40 : 11,126.10 = 2,485.93 : x
  2. Step 2: Convert to fraction form
    7,416.40/11,126.10 = 2,485.93/x
  3. Step 3: Cross multiply
    7,416.40x = 11,126.10 × 2,485.93
  4. Step 4: Simplify right side
    7,416.40x = 27,658,705.77
  5. Step 5: Solve for x
    x = 27,658,705.77/7,416.40
  6. Step 6: Final answer
    x = 3,729.40

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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.