Home / 8,746.79-12,063.13-5,913.41

Finding the Fourth Proportional to 8,746.79, 12,063.13 and 5,913.41

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Solution

The fourth proportional to 8,746.79, 12,063.13 and 5,913.41 is: 8,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.79 : 12,063.13 = 5,913.41 : x
  2. Step 2: Convert to fraction form
    8,746.79/12,063.13 = 5,913.41/x
  3. Step 3: Cross multiply
    8,746.79x = 12,063.13 × 5,913.41
  4. Step 4: Simplify right side
    8,746.79x = 71,334,158.47
  5. Step 5: Solve for x
    x = 71,334,158.47/8,746.79
  6. Step 6: Final answer
    x = 8,155.47

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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.