Home / 7,509.30-10,362.60-4,152.10

Finding the Fourth Proportional to 7,509.30, 10,362.60 and 4,152.10

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Solution

The fourth proportional to 7,509.30, 10,362.60 and 4,152.10 is: 5,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.30 : 10,362.60 = 4,152.10 : x
  2. Step 2: Convert to fraction form
    7,509.30/10,362.60 = 4,152.10/x
  3. Step 3: Cross multiply
    7,509.30x = 10,362.60 × 4,152.10
  4. Step 4: Simplify right side
    7,509.30x = 43,026,551.46
  5. Step 5: Solve for x
    x = 43,026,551.46/7,509.30
  6. Step 6: Final answer
    x = 5,729.77

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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.