Home / 10,482.89-15,723.11-9,904.55

Finding the Fourth Proportional to 10,482.89, 15,723.11 and 9,904.55

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Solution

The fourth proportional to 10,482.89, 15,723.11 and 9,904.55 is: 14,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.89 : 15,723.11 = 9,904.55 : x
  2. Step 2: Convert to fraction form
    10,482.89/15,723.11 = 9,904.55/x
  3. Step 3: Cross multiply
    10,482.89x = 15,723.11 × 9,904.55
  4. Step 4: Simplify right side
    10,482.89x = 155,730,275.30
  5. Step 5: Solve for x
    x = 155,730,275.30/10,482.89
  6. Step 6: Final answer
    x = 14,855.67

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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.