Home / 35,686.81-53,530.85-9,390.57

Finding the Fourth Proportional to 35,686.81, 53,530.85 and 9,390.57

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Solution

The fourth proportional to 35,686.81, 53,530.85 and 9,390.57 is: 14,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.81 : 53,530.85 = 9,390.57 : x
  2. Step 2: Convert to fraction form
    35,686.81/53,530.85 = 9,390.57/x
  3. Step 3: Cross multiply
    35,686.81x = 53,530.85 × 9,390.57
  4. Step 4: Simplify right side
    35,686.81x = 502,685,194.08
  5. Step 5: Solve for x
    x = 502,685,194.08/35,686.81
  6. Step 6: Final answer
    x = 14,086.02

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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.