Home / 13,283.16-18,330.32-7,314.67

Finding the Fourth Proportional to 13,283.16, 18,330.32 and 7,314.67

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Solution

The fourth proportional to 13,283.16, 18,330.32 and 7,314.67 is: 10,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.16 : 18,330.32 = 7,314.67 : x
  2. Step 2: Convert to fraction form
    13,283.16/18,330.32 = 7,314.67/x
  3. Step 3: Cross multiply
    13,283.16x = 18,330.32 × 7,314.67
  4. Step 4: Simplify right side
    13,283.16x = 134,080,282.99
  5. Step 5: Solve for x
    x = 134,080,282.99/13,283.16
  6. Step 6: Final answer
    x = 10,094.01

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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.