Home / 10,359.02-15,535.10-4,120.58

Finding the Fourth Proportional to 10,359.02, 15,535.10 and 4,120.58

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Solution

The fourth proportional to 10,359.02, 15,535.10 and 4,120.58 is: 6,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.02 : 15,535.10 = 4,120.58 : x
  2. Step 2: Convert to fraction form
    10,359.02/15,535.10 = 4,120.58/x
  3. Step 3: Cross multiply
    10,359.02x = 15,535.10 × 4,120.58
  4. Step 4: Simplify right side
    10,359.02x = 64,013,622.36
  5. Step 5: Solve for x
    x = 64,013,622.36/10,359.02
  6. Step 6: Final answer
    x = 6,179.51

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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.