Home / 15,599.40-23,400.30-5,211.16

Finding the Fourth Proportional to 15,599.40, 23,400.30 and 5,211.16

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Solution

The fourth proportional to 15,599.40, 23,400.30 and 5,211.16 is: 7,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.40 : 23,400.30 = 5,211.16 : x
  2. Step 2: Convert to fraction form
    15,599.40/23,400.30 = 5,211.16/x
  3. Step 3: Cross multiply
    15,599.40x = 23,400.30 × 5,211.16
  4. Step 4: Simplify right side
    15,599.40x = 121,942,707.35
  5. Step 5: Solve for x
    x = 121,942,707.35/15,599.40
  6. Step 6: Final answer
    x = 7,817.14

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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.