Home / 10,006.95-13,792.21-7,313.76

Finding the Fourth Proportional to 10,006.95, 13,792.21 and 7,313.76

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Solution

The fourth proportional to 10,006.95, 13,792.21 and 7,313.76 is: 10,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.95 : 13,792.21 = 7,313.76 : x
  2. Step 2: Convert to fraction form
    10,006.95/13,792.21 = 7,313.76/x
  3. Step 3: Cross multiply
    10,006.95x = 13,792.21 × 7,313.76
  4. Step 4: Simplify right side
    10,006.95x = 100,872,913.81
  5. Step 5: Solve for x
    x = 100,872,913.81/10,006.95
  6. Step 6: Final answer
    x = 10,080.29

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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.