Home / 10,319.24-14,240.14-5,603.40

Finding the Fourth Proportional to 10,319.24, 14,240.14 and 5,603.40

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Solution

The fourth proportional to 10,319.24, 14,240.14 and 5,603.40 is: 7,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.24 : 14,240.14 = 5,603.40 : x
  2. Step 2: Convert to fraction form
    10,319.24/14,240.14 = 5,603.40/x
  3. Step 3: Cross multiply
    10,319.24x = 14,240.14 × 5,603.40
  4. Step 4: Simplify right side
    10,319.24x = 79,793,200.48
  5. Step 5: Solve for x
    x = 79,793,200.48/10,319.24
  6. Step 6: Final answer
    x = 7,732.47

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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.