Home / 11,064.89-15,266.28-6,586.40

Finding the Fourth Proportional to 11,064.89, 15,266.28 and 6,586.40

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Solution

The fourth proportional to 11,064.89, 15,266.28 and 6,586.40 is: 9,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,064.89 : 15,266.28 = 6,586.40 : x
  2. Step 2: Convert to fraction form
    11,064.89/15,266.28 = 6,586.40/x
  3. Step 3: Cross multiply
    11,064.89x = 15,266.28 × 6,586.40
  4. Step 4: Simplify right side
    11,064.89x = 100,549,826.59
  5. Step 5: Solve for x
    x = 100,549,826.59/11,064.89
  6. Step 6: Final answer
    x = 9,087.29

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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.