Home / 7,916.94-10,927.65-5,230.12

Finding the Fourth Proportional to 7,916.94, 10,927.65 and 5,230.12

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Solution

The fourth proportional to 7,916.94, 10,927.65 and 5,230.12 is: 7,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.94 : 10,927.65 = 5,230.12 : x
  2. Step 2: Convert to fraction form
    7,916.94/10,927.65 = 5,230.12/x
  3. Step 3: Cross multiply
    7,916.94x = 10,927.65 × 5,230.12
  4. Step 4: Simplify right side
    7,916.94x = 57,152,920.82
  5. Step 5: Solve for x
    x = 57,152,920.82/7,916.94
  6. Step 6: Final answer
    x = 7,219.07

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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.