Home / 8,417.58-11,615.46-4,880.41

Finding the Fourth Proportional to 8,417.58, 11,615.46 and 4,880.41

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Solution

The fourth proportional to 8,417.58, 11,615.46 and 4,880.41 is: 6,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.58 : 11,615.46 = 4,880.41 : x
  2. Step 2: Convert to fraction form
    8,417.58/11,615.46 = 4,880.41/x
  3. Step 3: Cross multiply
    8,417.58x = 11,615.46 × 4,880.41
  4. Step 4: Simplify right side
    8,417.58x = 56,688,207.14
  5. Step 5: Solve for x
    x = 56,688,207.14/8,417.58
  6. Step 6: Final answer
    x = 6,734.50

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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.