Home / 7,617.51-10,509.21-4,783.68

Finding the Fourth Proportional to 7,617.51, 10,509.21 and 4,783.68

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Solution

The fourth proportional to 7,617.51, 10,509.21 and 4,783.68 is: 6,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.51 : 10,509.21 = 4,783.68 : x
  2. Step 2: Convert to fraction form
    7,617.51/10,509.21 = 4,783.68/x
  3. Step 3: Cross multiply
    7,617.51x = 10,509.21 × 4,783.68
  4. Step 4: Simplify right side
    7,617.51x = 50,272,697.69
  5. Step 5: Solve for x
    x = 50,272,697.69/7,617.51
  6. Step 6: Final answer
    x = 6,599.62

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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.