Home / 7,888.02-10,885.50-4,351.34

Finding the Fourth Proportional to 7,888.02, 10,885.50 and 4,351.34

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Solution

The fourth proportional to 7,888.02, 10,885.50 and 4,351.34 is: 6,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.02 : 10,885.50 = 4,351.34 : x
  2. Step 2: Convert to fraction form
    7,888.02/10,885.50 = 4,351.34/x
  3. Step 3: Cross multiply
    7,888.02x = 10,885.50 × 4,351.34
  4. Step 4: Simplify right side
    7,888.02x = 47,366,457.14
  5. Step 5: Solve for x
    x = 47,366,457.14/7,888.02
  6. Step 6: Final answer
    x = 6,004.86

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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.