Home / 8,587.56-11,847.42-5,045.16

Finding the Fourth Proportional to 8,587.56, 11,847.42 and 5,045.16

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Solution

The fourth proportional to 8,587.56, 11,847.42 and 5,045.16 is: 6,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.56 : 11,847.42 = 5,045.16 : x
  2. Step 2: Convert to fraction form
    8,587.56/11,847.42 = 5,045.16/x
  3. Step 3: Cross multiply
    8,587.56x = 11,847.42 × 5,045.16
  4. Step 4: Simplify right side
    8,587.56x = 59,772,129.49
  5. Step 5: Solve for x
    x = 59,772,129.49/8,587.56
  6. Step 6: Final answer
    x = 6,960.32

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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.