Home / 11,477.28-15,838.97-7,000.01

Finding the Fourth Proportional to 11,477.28, 15,838.97 and 7,000.01

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Solution

The fourth proportional to 11,477.28, 15,838.97 and 7,000.01 is: 9,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.28 : 15,838.97 = 7,000.01 : x
  2. Step 2: Convert to fraction form
    11,477.28/15,838.97 = 7,000.01/x
  3. Step 3: Cross multiply
    11,477.28x = 15,838.97 × 7,000.01
  4. Step 4: Simplify right side
    11,477.28x = 110,872,834.19
  5. Step 5: Solve for x
    x = 110,872,834.19/11,477.28
  6. Step 6: Final answer
    x = 9,660.20

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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.