Home / 10,815.54-14,925.12-6,035.61

Finding the Fourth Proportional to 10,815.54, 14,925.12 and 6,035.61

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Solution

The fourth proportional to 10,815.54, 14,925.12 and 6,035.61 is: 8,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.54 : 14,925.12 = 6,035.61 : x
  2. Step 2: Convert to fraction form
    10,815.54/14,925.12 = 6,035.61/x
  3. Step 3: Cross multiply
    10,815.54x = 14,925.12 × 6,035.61
  4. Step 4: Simplify right side
    10,815.54x = 90,082,203.52
  5. Step 5: Solve for x
    x = 90,082,203.52/10,815.54
  6. Step 6: Final answer
    x = 8,328.96

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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.