Home / 13,284.74-18,332.93-7,316.39

Finding the Fourth Proportional to 13,284.74, 18,332.93 and 7,316.39

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Solution

The fourth proportional to 13,284.74, 18,332.93 and 7,316.39 is: 10,096.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.74 : 18,332.93 = 7,316.39 : x
  2. Step 2: Convert to fraction form
    13,284.74/18,332.93 = 7,316.39/x
  3. Step 3: Cross multiply
    13,284.74x = 18,332.93 × 7,316.39
  4. Step 4: Simplify right side
    13,284.74x = 134,130,737.48
  5. Step 5: Solve for x
    x = 134,130,737.48/13,284.74
  6. Step 6: Final answer
    x = 10,096.61

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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.