Home / 8,386.61-11,573.54-4,609.78

Finding the Fourth Proportional to 8,386.61, 11,573.54 and 4,609.78

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Solution

The fourth proportional to 8,386.61, 11,573.54 and 4,609.78 is: 6,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.61 : 11,573.54 = 4,609.78 : x
  2. Step 2: Convert to fraction form
    8,386.61/11,573.54 = 4,609.78/x
  3. Step 3: Cross multiply
    8,386.61x = 11,573.54 × 4,609.78
  4. Step 4: Simplify right side
    8,386.61x = 53,351,421.24
  5. Step 5: Solve for x
    x = 53,351,421.24/8,386.61
  6. Step 6: Final answer
    x = 6,361.50

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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.