Home / 10,440.04-15,649.08-4,888.72

Finding the Fourth Proportional to 10,440.04, 15,649.08 and 4,888.72

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Solution

The fourth proportional to 10,440.04, 15,649.08 and 4,888.72 is: 7,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.04 : 15,649.08 = 4,888.72 : x
  2. Step 2: Convert to fraction form
    10,440.04/15,649.08 = 4,888.72/x
  3. Step 3: Cross multiply
    10,440.04x = 15,649.08 × 4,888.72
  4. Step 4: Simplify right side
    10,440.04x = 76,503,970.38
  5. Step 5: Solve for x
    x = 76,503,970.38/10,440.04
  6. Step 6: Final answer
    x = 7,327.94

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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.