Home / 13,476.46-18,597.53-7,812.30

Finding the Fourth Proportional to 13,476.46, 18,597.53 and 7,812.30

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Solution

The fourth proportional to 13,476.46, 18,597.53 and 7,812.30 is: 10,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.46 : 18,597.53 = 7,812.30 : x
  2. Step 2: Convert to fraction form
    13,476.46/18,597.53 = 7,812.30/x
  3. Step 3: Cross multiply
    13,476.46x = 18,597.53 × 7,812.30
  4. Step 4: Simplify right side
    13,476.46x = 145,289,483.62
  5. Step 5: Solve for x
    x = 145,289,483.62/13,476.46
  6. Step 6: Final answer
    x = 10,780.98

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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.