Home / 12,588.81-17,373.40-8,332.54

Finding the Fourth Proportional to 12,588.81, 17,373.40 and 8,332.54

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Solution

The fourth proportional to 12,588.81, 17,373.40 and 8,332.54 is: 11,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.81 : 17,373.40 = 8,332.54 : x
  2. Step 2: Convert to fraction form
    12,588.81/17,373.40 = 8,332.54/x
  3. Step 3: Cross multiply
    12,588.81x = 17,373.40 × 8,332.54
  4. Step 4: Simplify right side
    12,588.81x = 144,764,463.57
  5. Step 5: Solve for x
    x = 144,764,463.57/12,588.81
  6. Step 6: Final answer
    x = 11,499.46

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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.