Home / 12,801.04-17,666.51-7,136.10

Finding the Fourth Proportional to 12,801.04, 17,666.51 and 7,136.10

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Solution

The fourth proportional to 12,801.04, 17,666.51 and 7,136.10 is: 9,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.04 : 17,666.51 = 7,136.10 : x
  2. Step 2: Convert to fraction form
    12,801.04/17,666.51 = 7,136.10/x
  3. Step 3: Cross multiply
    12,801.04x = 17,666.51 × 7,136.10
  4. Step 4: Simplify right side
    12,801.04x = 126,069,946.33
  5. Step 5: Solve for x
    x = 126,069,946.33/12,801.04
  6. Step 6: Final answer
    x = 9,848.42

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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.