Home / 10,136.18-13,987.79-5,660.01

Finding the Fourth Proportional to 10,136.18, 13,987.79 and 5,660.01

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Solution

The fourth proportional to 10,136.18, 13,987.79 and 5,660.01 is: 7,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.18 : 13,987.79 = 5,660.01 : x
  2. Step 2: Convert to fraction form
    10,136.18/13,987.79 = 5,660.01/x
  3. Step 3: Cross multiply
    10,136.18x = 13,987.79 × 5,660.01
  4. Step 4: Simplify right side
    10,136.18x = 79,171,031.28
  5. Step 5: Solve for x
    x = 79,171,031.28/10,136.18
  6. Step 6: Final answer
    x = 7,810.74

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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.