Home / 30,312.01-45,471.12-11,607.69

Finding the Fourth Proportional to 30,312.01, 45,471.12 and 11,607.69

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Solution

The fourth proportional to 30,312.01, 45,471.12 and 11,607.69 is: 17,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,312.01 : 45,471.12 = 11,607.69 : x
  2. Step 2: Convert to fraction form
    30,312.01/45,471.12 = 11,607.69/x
  3. Step 3: Cross multiply
    30,312.01x = 45,471.12 × 11,607.69
  4. Step 4: Simplify right side
    30,312.01x = 527,814,601.42
  5. Step 5: Solve for x
    x = 527,814,601.42/30,312.01
  6. Step 6: Final answer
    x = 17,412.72

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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.