Home / 7,666.20-10,579.46-4,681.62

Finding the Fourth Proportional to 7,666.20, 10,579.46 and 4,681.62

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Solution

The fourth proportional to 7,666.20, 10,579.46 and 4,681.62 is: 6,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.20 : 10,579.46 = 4,681.62 : x
  2. Step 2: Convert to fraction form
    7,666.20/10,579.46 = 4,681.62/x
  3. Step 3: Cross multiply
    7,666.20x = 10,579.46 × 4,681.62
  4. Step 4: Simplify right side
    7,666.20x = 49,528,988.12
  5. Step 5: Solve for x
    x = 49,528,988.12/7,666.20
  6. Step 6: Final answer
    x = 6,460.70

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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.