Home / 12,038.04-18,044.76-4,639.60

Finding the Fourth Proportional to 12,038.04, 18,044.76 and 4,639.60

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Solution

The fourth proportional to 12,038.04, 18,044.76 and 4,639.60 is: 6,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.04 : 18,044.76 = 4,639.60 : x
  2. Step 2: Convert to fraction form
    12,038.04/18,044.76 = 4,639.60/x
  3. Step 3: Cross multiply
    12,038.04x = 18,044.76 × 4,639.60
  4. Step 4: Simplify right side
    12,038.04x = 83,720,468.50
  5. Step 5: Solve for x
    x = 83,720,468.50/12,038.04
  6. Step 6: Final answer
    x = 6,954.66

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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.