Home / 9,303.51-12,836.62-5,270.43

Finding the Fourth Proportional to 9,303.51, 12,836.62 and 5,270.43

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Solution

The fourth proportional to 9,303.51, 12,836.62 and 5,270.43 is: 7,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.51 : 12,836.62 = 5,270.43 : x
  2. Step 2: Convert to fraction form
    9,303.51/12,836.62 = 5,270.43/x
  3. Step 3: Cross multiply
    9,303.51x = 12,836.62 × 5,270.43
  4. Step 4: Simplify right side
    9,303.51x = 67,654,507.15
  5. Step 5: Solve for x
    x = 67,654,507.15/9,303.51
  6. Step 6: Final answer
    x = 7,271.93

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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.