Home / 8,415.84-11,613.87-5,058.69

Finding the Fourth Proportional to 8,415.84, 11,613.87 and 5,058.69

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Solution

The fourth proportional to 8,415.84, 11,613.87 and 5,058.69 is: 6,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.84 : 11,613.87 = 5,058.69 : x
  2. Step 2: Convert to fraction form
    8,415.84/11,613.87 = 5,058.69/x
  3. Step 3: Cross multiply
    8,415.84x = 11,613.87 × 5,058.69
  4. Step 4: Simplify right side
    8,415.84x = 58,750,968.03
  5. Step 5: Solve for x
    x = 58,750,968.03/8,415.84
  6. Step 6: Final answer
    x = 6,981.00

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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.