Home / 9,685.70-14,528.55-3,112.01

Finding the Fourth Proportional to 9,685.70, 14,528.55 and 3,112.01

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Solution

The fourth proportional to 9,685.70, 14,528.55 and 3,112.01 is: 4,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.70 : 14,528.55 = 3,112.01 : x
  2. Step 2: Convert to fraction form
    9,685.70/14,528.55 = 3,112.01/x
  3. Step 3: Cross multiply
    9,685.70x = 14,528.55 × 3,112.01
  4. Step 4: Simplify right side
    9,685.70x = 45,212,992.89
  5. Step 5: Solve for x
    x = 45,212,992.89/9,685.70
  6. Step 6: Final answer
    x = 4,668.02

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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.