Home / 10,336.16-14,263.68-5,620.40

Finding the Fourth Proportional to 10,336.16, 14,263.68 and 5,620.40

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Solution

The fourth proportional to 10,336.16, 14,263.68 and 5,620.40 is: 7,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.16 : 14,263.68 = 5,620.40 : x
  2. Step 2: Convert to fraction form
    10,336.16/14,263.68 = 5,620.40/x
  3. Step 3: Cross multiply
    10,336.16x = 14,263.68 × 5,620.40
  4. Step 4: Simplify right side
    10,336.16x = 80,167,587.07
  5. Step 5: Solve for x
    x = 80,167,587.07/10,336.16
  6. Step 6: Final answer
    x = 7,756.03

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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.