Home / 13,284.25-18,332.30-7,315.93

Finding the Fourth Proportional to 13,284.25, 18,332.30 and 7,315.93

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Solution

The fourth proportional to 13,284.25, 18,332.30 and 7,315.93 is: 10,096.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.25 : 18,332.30 = 7,315.93 : x
  2. Step 2: Convert to fraction form
    13,284.25/18,332.30 = 7,315.93/x
  3. Step 3: Cross multiply
    13,284.25x = 18,332.30 × 7,315.93
  4. Step 4: Simplify right side
    13,284.25x = 134,117,823.54
  5. Step 5: Solve for x
    x = 134,117,823.54/13,284.25
  6. Step 6: Final answer
    x = 10,096.00

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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.