Home / 9,434.48-13,020.40-5,243

Finding the Fourth Proportional to 9,434.48, 13,020.40 and 5,243

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Solution

The fourth proportional to 9,434.48, 13,020.40 and 5,243 is: 7,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.48 : 13,020.40 = 5,243 : x
  2. Step 2: Convert to fraction form
    9,434.48/13,020.40 = 5,243/x
  3. Step 3: Cross multiply
    9,434.48x = 13,020.40 × 5,243
  4. Step 4: Simplify right side
    9,434.48x = 68,265,957.20
  5. Step 5: Solve for x
    x = 68,265,957.20/9,434.48
  6. Step 6: Final answer
    x = 7,235.79

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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.