Home / 9,350.50-12,903.70-5,159.02

Finding the Fourth Proportional to 9,350.50, 12,903.70 and 5,159.02

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Solution

The fourth proportional to 9,350.50, 12,903.70 and 5,159.02 is: 7,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.50 : 12,903.70 = 5,159.02 : x
  2. Step 2: Convert to fraction form
    9,350.50/12,903.70 = 5,159.02/x
  3. Step 3: Cross multiply
    9,350.50x = 12,903.70 × 5,159.02
  4. Step 4: Simplify right side
    9,350.50x = 66,570,446.37
  5. Step 5: Solve for x
    x = 66,570,446.37/9,350.50
  6. Step 6: Final answer
    x = 7,119.45

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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.