Home / 9,537.47-13,161.64-5,288.53

Finding the Fourth Proportional to 9,537.47, 13,161.64 and 5,288.53

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Solution

The fourth proportional to 9,537.47, 13,161.64 and 5,288.53 is: 7,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,537.47 : 13,161.64 = 5,288.53 : x
  2. Step 2: Convert to fraction form
    9,537.47/13,161.64 = 5,288.53/x
  3. Step 3: Cross multiply
    9,537.47x = 13,161.64 × 5,288.53
  4. Step 4: Simplify right side
    9,537.47x = 69,605,667.10
  5. Step 5: Solve for x
    x = 69,605,667.10/9,537.47
  6. Step 6: Final answer
    x = 7,298.13

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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.