Home / 7,146.08-9,849.76-4,787.36

Finding the Fourth Proportional to 7,146.08, 9,849.76 and 4,787.36

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Solution

The fourth proportional to 7,146.08, 9,849.76 and 4,787.36 is: 6,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.08 : 9,849.76 = 4,787.36 : x
  2. Step 2: Convert to fraction form
    7,146.08/9,849.76 = 4,787.36/x
  3. Step 3: Cross multiply
    7,146.08x = 9,849.76 × 4,787.36
  4. Step 4: Simplify right side
    7,146.08x = 47,154,347.03
  5. Step 5: Solve for x
    x = 47,154,347.03/7,146.08
  6. Step 6: Final answer
    x = 6,598.63

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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.