Home / 13,303.08-18,357.69-7,253.19

Finding the Fourth Proportional to 13,303.08, 18,357.69 and 7,253.19

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Solution

The fourth proportional to 13,303.08, 18,357.69 and 7,253.19 is: 10,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.08 : 18,357.69 = 7,253.19 : x
  2. Step 2: Convert to fraction form
    13,303.08/18,357.69 = 7,253.19/x
  3. Step 3: Cross multiply
    13,303.08x = 18,357.69 × 7,253.19
  4. Step 4: Simplify right side
    13,303.08x = 133,151,813.53
  5. Step 5: Solve for x
    x = 133,151,813.53/13,303.08
  6. Step 6: Final answer
    x = 10,009.10

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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.