Home / 35,602.30-53,399.40-9,309.70

Finding the Fourth Proportional to 35,602.30, 53,399.40 and 9,309.70

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Solution

The fourth proportional to 35,602.30, 53,399.40 and 9,309.70 is: 13,963.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,602.30 : 53,399.40 = 9,309.70 : x
  2. Step 2: Convert to fraction form
    35,602.30/53,399.40 = 9,309.70/x
  3. Step 3: Cross multiply
    35,602.30x = 53,399.40 × 9,309.70
  4. Step 4: Simplify right side
    35,602.30x = 497,132,394.18
  5. Step 5: Solve for x
    x = 497,132,394.18/35,602.30
  6. Step 6: Final answer
    x = 13,963.49

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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.