Home / 7,875.02-10,867.52-4,338.24

Finding the Fourth Proportional to 7,875.02, 10,867.52 and 4,338.24

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Solution

The fourth proportional to 7,875.02, 10,867.52 and 4,338.24 is: 5,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.02 : 10,867.52 = 4,338.24 : x
  2. Step 2: Convert to fraction form
    7,875.02/10,867.52 = 4,338.24/x
  3. Step 3: Cross multiply
    7,875.02x = 10,867.52 × 4,338.24
  4. Step 4: Simplify right side
    7,875.02x = 47,145,909.96
  5. Step 5: Solve for x
    x = 47,145,909.96/7,875.02
  6. Step 6: Final answer
    x = 5,986.77

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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.