Home / 35,793.08-53,689.56-9,139.06

Finding the Fourth Proportional to 35,793.08, 53,689.56 and 9,139.06

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Solution

The fourth proportional to 35,793.08, 53,689.56 and 9,139.06 is: 13,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,793.08 : 53,689.56 = 9,139.06 : x
  2. Step 2: Convert to fraction form
    35,793.08/53,689.56 = 9,139.06/x
  3. Step 3: Cross multiply
    35,793.08x = 53,689.56 × 9,139.06
  4. Step 4: Simplify right side
    35,793.08x = 490,672,110.21
  5. Step 5: Solve for x
    x = 490,672,110.21/35,793.08
  6. Step 6: Final answer
    x = 13,708.57

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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.