Home / 12,060.48-16,649.28-7,586.40

Finding the Fourth Proportional to 12,060.48, 16,649.28 and 7,586.40

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Solution

The fourth proportional to 12,060.48, 16,649.28 and 7,586.40 is: 10,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.48 : 16,649.28 = 7,586.40 : x
  2. Step 2: Convert to fraction form
    12,060.48/16,649.28 = 7,586.40/x
  3. Step 3: Cross multiply
    12,060.48x = 16,649.28 × 7,586.40
  4. Step 4: Simplify right side
    12,060.48x = 126,308,097.79
  5. Step 5: Solve for x
    x = 126,308,097.79/12,060.48
  6. Step 6: Final answer
    x = 10,472.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.