Home / 10,865.07-16,272.95-6,916.32

Finding the Fourth Proportional to 10,865.07, 16,272.95 and 6,916.32

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Solution

The fourth proportional to 10,865.07, 16,272.95 and 6,916.32 is: 10,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.07 : 16,272.95 = 6,916.32 : x
  2. Step 2: Convert to fraction form
    10,865.07/16,272.95 = 6,916.32/x
  3. Step 3: Cross multiply
    10,865.07x = 16,272.95 × 6,916.32
  4. Step 4: Simplify right side
    10,865.07x = 112,548,894.96
  5. Step 5: Solve for x
    x = 112,548,894.96/10,865.07
  6. Step 6: Final answer
    x = 10,358.78

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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.