Home / 10,475.11-15,705.32-4,925.60

Finding the Fourth Proportional to 10,475.11, 15,705.32 and 4,925.60

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Solution

The fourth proportional to 10,475.11, 15,705.32 and 4,925.60 is: 7,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.11 : 15,705.32 = 4,925.60 : x
  2. Step 2: Convert to fraction form
    10,475.11/15,705.32 = 4,925.60/x
  3. Step 3: Cross multiply
    10,475.11x = 15,705.32 × 4,925.60
  4. Step 4: Simplify right side
    10,475.11x = 77,358,124.19
  5. Step 5: Solve for x
    x = 77,358,124.19/10,475.11
  6. Step 6: Final answer
    x = 7,384.95

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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.