Home / 7,403.92-10,219.08-5,047

Finding the Fourth Proportional to 7,403.92, 10,219.08 and 5,047

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Solution

The fourth proportional to 7,403.92, 10,219.08 and 5,047 is: 6,966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.92 : 10,219.08 = 5,047 : x
  2. Step 2: Convert to fraction form
    7,403.92/10,219.08 = 5,047/x
  3. Step 3: Cross multiply
    7,403.92x = 10,219.08 × 5,047
  4. Step 4: Simplify right side
    7,403.92x = 51,575,696.76
  5. Step 5: Solve for x
    x = 51,575,696.76/7,403.92
  6. Step 6: Final answer
    x = 6,966.00

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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.