Home / 8,315.03-12,472.55-3,048.05

Finding the Fourth Proportional to 8,315.03, 12,472.55 and 3,048.05

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Solution

The fourth proportional to 8,315.03, 12,472.55 and 3,048.05 is: 4,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.03 : 12,472.55 = 3,048.05 : x
  2. Step 2: Convert to fraction form
    8,315.03/12,472.55 = 3,048.05/x
  3. Step 3: Cross multiply
    8,315.03x = 12,472.55 × 3,048.05
  4. Step 4: Simplify right side
    8,315.03x = 38,017,008.37
  5. Step 5: Solve for x
    x = 38,017,008.37/8,315.03
  6. Step 6: Final answer
    x = 4,572.08

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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.