Home / 11,854.36-17,792.28-6,312.40

Finding the Fourth Proportional to 11,854.36, 17,792.28 and 6,312.40

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Solution

The fourth proportional to 11,854.36, 17,792.28 and 6,312.40 is: 9,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.36 : 17,792.28 = 6,312.40 : x
  2. Step 2: Convert to fraction form
    11,854.36/17,792.28 = 6,312.40/x
  3. Step 3: Cross multiply
    11,854.36x = 17,792.28 × 6,312.40
  4. Step 4: Simplify right side
    11,854.36x = 112,311,988.27
  5. Step 5: Solve for x
    x = 112,311,988.27/11,854.36
  6. Step 6: Final answer
    x = 9,474.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.