Home / 10,121.99-13,962.02-6,535.58

Finding the Fourth Proportional to 10,121.99, 13,962.02 and 6,535.58

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Solution

The fourth proportional to 10,121.99, 13,962.02 and 6,535.58 is: 9,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.99 : 13,962.02 = 6,535.58 : x
  2. Step 2: Convert to fraction form
    10,121.99/13,962.02 = 6,535.58/x
  3. Step 3: Cross multiply
    10,121.99x = 13,962.02 × 6,535.58
  4. Step 4: Simplify right side
    10,121.99x = 91,249,796.18
  5. Step 5: Solve for x
    x = 91,249,796.18/10,121.99
  6. Step 6: Final answer
    x = 9,015.01

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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.