Home / 7,503.81-10,355.09-4,146.45

Finding the Fourth Proportional to 7,503.81, 10,355.09 and 4,146.45

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Solution

The fourth proportional to 7,503.81, 10,355.09 and 4,146.45 is: 5,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.81 : 10,355.09 = 4,146.45 : x
  2. Step 2: Convert to fraction form
    7,503.81/10,355.09 = 4,146.45/x
  3. Step 3: Cross multiply
    7,503.81x = 10,355.09 × 4,146.45
  4. Step 4: Simplify right side
    7,503.81x = 42,936,842.20
  5. Step 5: Solve for x
    x = 42,936,842.20/7,503.81
  6. Step 6: Final answer
    x = 5,722.01

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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.