Home / 10,746.60-16,124.70-4,900.20

Finding the Fourth Proportional to 10,746.60, 16,124.70 and 4,900.20

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Solution

The fourth proportional to 10,746.60, 16,124.70 and 4,900.20 is: 7,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.60 : 16,124.70 = 4,900.20 : x
  2. Step 2: Convert to fraction form
    10,746.60/16,124.70 = 4,900.20/x
  3. Step 3: Cross multiply
    10,746.60x = 16,124.70 × 4,900.20
  4. Step 4: Simplify right side
    10,746.60x = 79,014,254.94
  5. Step 5: Solve for x
    x = 79,014,254.94/10,746.60
  6. Step 6: Final answer
    x = 7,352.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.