Home / 8,384.20-11,570.16-4,607.36

Finding the Fourth Proportional to 8,384.20, 11,570.16 and 4,607.36

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Solution

The fourth proportional to 8,384.20, 11,570.16 and 4,607.36 is: 6,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.20 : 11,570.16 = 4,607.36 : x
  2. Step 2: Convert to fraction form
    8,384.20/11,570.16 = 4,607.36/x
  3. Step 3: Cross multiply
    8,384.20x = 11,570.16 × 4,607.36
  4. Step 4: Simplify right side
    8,384.20x = 53,307,892.38
  5. Step 5: Solve for x
    x = 53,307,892.38/8,384.20
  6. Step 6: Final answer
    x = 6,358.14

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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.