Home / 10,392.60-15,598.62-5,133.55

Finding the Fourth Proportional to 10,392.60, 15,598.62 and 5,133.55

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Solution

The fourth proportional to 10,392.60, 15,598.62 and 5,133.55 is: 7,705.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.60 : 15,598.62 = 5,133.55 : x
  2. Step 2: Convert to fraction form
    10,392.60/15,598.62 = 5,133.55/x
  3. Step 3: Cross multiply
    10,392.60x = 15,598.62 × 5,133.55
  4. Step 4: Simplify right side
    10,392.60x = 80,076,295.70
  5. Step 5: Solve for x
    x = 80,076,295.70/10,392.60
  6. Step 6: Final answer
    x = 7,705.13

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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.