Home / 9,349.50-12,902.31-5,158.02

Finding the Fourth Proportional to 9,349.50, 12,902.31 and 5,158.02

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Solution

The fourth proportional to 9,349.50, 12,902.31 and 5,158.02 is: 7,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.50 : 12,902.31 = 5,158.02 : x
  2. Step 2: Convert to fraction form
    9,349.50/12,902.31 = 5,158.02/x
  3. Step 3: Cross multiply
    9,349.50x = 12,902.31 × 5,158.02
  4. Step 4: Simplify right side
    9,349.50x = 66,550,373.03
  5. Step 5: Solve for x
    x = 66,550,373.03/9,349.50
  6. Step 6: Final answer
    x = 7,118.07

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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.