Home / 11,064.20-15,266.81-6,587.80

Finding the Fourth Proportional to 11,064.20, 15,266.81 and 6,587.80

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Solution

The fourth proportional to 11,064.20, 15,266.81 and 6,587.80 is: 9,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,064.20 : 15,266.81 = 6,587.80 : x
  2. Step 2: Convert to fraction form
    11,064.20/15,266.81 = 6,587.80/x
  3. Step 3: Cross multiply
    11,064.20x = 15,266.81 × 6,587.80
  4. Step 4: Simplify right side
    11,064.20x = 100,574,669.22
  5. Step 5: Solve for x
    x = 100,574,669.22/11,064.20
  6. Step 6: Final answer
    x = 9,090.10

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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.