Home / 11,176.04-15,425.16-6,461.84

Finding the Fourth Proportional to 11,176.04, 15,425.16 and 6,461.84

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Solution

The fourth proportional to 11,176.04, 15,425.16 and 6,461.84 is: 8,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.04 : 15,425.16 = 6,461.84 : x
  2. Step 2: Convert to fraction form
    11,176.04/15,425.16 = 6,461.84/x
  3. Step 3: Cross multiply
    11,176.04x = 15,425.16 × 6,461.84
  4. Step 4: Simplify right side
    11,176.04x = 99,674,915.89
  5. Step 5: Solve for x
    x = 99,674,915.89/11,176.04
  6. Step 6: Final answer
    x = 8,918.63

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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.