Home / 10,368.24-14,303.16-6,388.08

Finding the Fourth Proportional to 10,368.24, 14,303.16 and 6,388.08

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Solution

The fourth proportional to 10,368.24, 14,303.16 and 6,388.08 is: 8,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.24 : 14,303.16 = 6,388.08 : x
  2. Step 2: Convert to fraction form
    10,368.24/14,303.16 = 6,388.08/x
  3. Step 3: Cross multiply
    10,368.24x = 14,303.16 × 6,388.08
  4. Step 4: Simplify right side
    10,368.24x = 91,369,730.33
  5. Step 5: Solve for x
    x = 91,369,730.33/10,368.24
  6. Step 6: Final answer
    x = 8,812.46

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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.