Home / 8,463.90-11,681.38-4,929.06

Finding the Fourth Proportional to 8,463.90, 11,681.38 and 4,929.06

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Solution

The fourth proportional to 8,463.90, 11,681.38 and 4,929.06 is: 6,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.90 : 11,681.38 = 4,929.06 : x
  2. Step 2: Convert to fraction form
    8,463.90/11,681.38 = 4,929.06/x
  3. Step 3: Cross multiply
    8,463.90x = 11,681.38 × 4,929.06
  4. Step 4: Simplify right side
    8,463.90x = 57,578,222.90
  5. Step 5: Solve for x
    x = 57,578,222.90/8,463.90
  6. Step 6: Final answer
    x = 6,802.80

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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.