Home / 7,647.30-10,558.35-5,875.74

Finding the Fourth Proportional to 7,647.30, 10,558.35 and 5,875.74

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Solution

The fourth proportional to 7,647.30, 10,558.35 and 5,875.74 is: 8,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.30 : 10,558.35 = 5,875.74 : x
  2. Step 2: Convert to fraction form
    7,647.30/10,558.35 = 5,875.74/x
  3. Step 3: Cross multiply
    7,647.30x = 10,558.35 × 5,875.74
  4. Step 4: Simplify right side
    7,647.30x = 62,038,119.43
  5. Step 5: Solve for x
    x = 62,038,119.43/7,647.30
  6. Step 6: Final answer
    x = 8,112.42

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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.