Home / 10,378.95-14,322.92-5,663.24

Finding the Fourth Proportional to 10,378.95, 14,322.92 and 5,663.24

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Solution

The fourth proportional to 10,378.95, 14,322.92 and 5,663.24 is: 7,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.95 : 14,322.92 = 5,663.24 : x
  2. Step 2: Convert to fraction form
    10,378.95/14,322.92 = 5,663.24/x
  3. Step 3: Cross multiply
    10,378.95x = 14,322.92 × 5,663.24
  4. Step 4: Simplify right side
    10,378.95x = 81,114,033.53
  5. Step 5: Solve for x
    x = 81,114,033.53/10,378.95
  6. Step 6: Final answer
    x = 7,815.24

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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.