Home / 10,405.98-15,595.20-5,465.52

Finding the Fourth Proportional to 10,405.98, 15,595.20 and 5,465.52

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Solution

The fourth proportional to 10,405.98, 15,595.20 and 5,465.52 is: 8,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.98 : 15,595.20 = 5,465.52 : x
  2. Step 2: Convert to fraction form
    10,405.98/15,595.20 = 5,465.52/x
  3. Step 3: Cross multiply
    10,405.98x = 15,595.20 × 5,465.52
  4. Step 4: Simplify right side
    10,405.98x = 85,235,877.50
  5. Step 5: Solve for x
    x = 85,235,877.50/10,405.98
  6. Step 6: Final answer
    x = 8,191.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.