Home / 12,349.33-18,510.71-5,332.64

Finding the Fourth Proportional to 12,349.33, 18,510.71 and 5,332.64

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Solution

The fourth proportional to 12,349.33, 18,510.71 and 5,332.64 is: 7,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.33 : 18,510.71 = 5,332.64 : x
  2. Step 2: Convert to fraction form
    12,349.33/18,510.71 = 5,332.64/x
  3. Step 3: Cross multiply
    12,349.33x = 18,510.71 × 5,332.64
  4. Step 4: Simplify right side
    12,349.33x = 98,710,972.19
  5. Step 5: Solve for x
    x = 98,710,972.19/12,349.33
  6. Step 6: Final answer
    x = 7,993.23

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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.