Home / 10,319.14-14,240.23-5,603.32

Finding the Fourth Proportional to 10,319.14, 14,240.23 and 5,603.32

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Solution

The fourth proportional to 10,319.14, 14,240.23 and 5,603.32 is: 7,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.14 : 14,240.23 = 5,603.32 : x
  2. Step 2: Convert to fraction form
    10,319.14/14,240.23 = 5,603.32/x
  3. Step 3: Cross multiply
    10,319.14x = 14,240.23 × 5,603.32
  4. Step 4: Simplify right side
    10,319.14x = 79,792,565.56
  5. Step 5: Solve for x
    x = 79,792,565.56/10,319.14
  6. Step 6: Final answer
    x = 7,732.48

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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.