Home / 7,784.53-11,679.71-4,666.76

Finding the Fourth Proportional to 7,784.53, 11,679.71 and 4,666.76

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Solution

The fourth proportional to 7,784.53, 11,679.71 and 4,666.76 is: 7,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.53 : 11,679.71 = 4,666.76 : x
  2. Step 2: Convert to fraction form
    7,784.53/11,679.71 = 4,666.76/x
  3. Step 3: Cross multiply
    7,784.53x = 11,679.71 × 4,666.76
  4. Step 4: Simplify right side
    7,784.53x = 54,506,345.04
  5. Step 5: Solve for x
    x = 54,506,345.04/7,784.53
  6. Step 6: Final answer
    x = 7,001.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.