Home / 38,291.48-57,430.74-10,583

Finding the Fourth Proportional to 38,291.48, 57,430.74 and 10,583

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Solution

The fourth proportional to 38,291.48, 57,430.74 and 10,583 is: 15,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.48 : 57,430.74 = 10,583 : x
  2. Step 2: Convert to fraction form
    38,291.48/57,430.74 = 10,583/x
  3. Step 3: Cross multiply
    38,291.48x = 57,430.74 × 10,583
  4. Step 4: Simplify right side
    38,291.48x = 607,789,521.42
  5. Step 5: Solve for x
    x = 607,789,521.42/38,291.48
  6. Step 6: Final answer
    x = 15,872.71

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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.