Home / 12,435.02-18,652.37-5,039.40

Finding the Fourth Proportional to 12,435.02, 18,652.37 and 5,039.40

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Solution

The fourth proportional to 12,435.02, 18,652.37 and 5,039.40 is: 7,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.02 : 18,652.37 = 5,039.40 : x
  2. Step 2: Convert to fraction form
    12,435.02/18,652.37 = 5,039.40/x
  3. Step 3: Cross multiply
    12,435.02x = 18,652.37 × 5,039.40
  4. Step 4: Simplify right side
    12,435.02x = 93,996,728.18
  5. Step 5: Solve for x
    x = 93,996,728.18/12,435.02
  6. Step 6: Final answer
    x = 7,559.04

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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.