Home / 10,370.89-14,311.80-5,655.16

Finding the Fourth Proportional to 10,370.89, 14,311.80 and 5,655.16

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Solution

The fourth proportional to 10,370.89, 14,311.80 and 5,655.16 is: 7,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.89 : 14,311.80 = 5,655.16 : x
  2. Step 2: Convert to fraction form
    10,370.89/14,311.80 = 5,655.16/x
  3. Step 3: Cross multiply
    10,370.89x = 14,311.80 × 5,655.16
  4. Step 4: Simplify right side
    10,370.89x = 80,935,518.89
  5. Step 5: Solve for x
    x = 80,935,518.89/10,370.89
  6. Step 6: Final answer
    x = 7,804.11

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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.