Home / 7,328.81-10,111.37-4,677.08

Finding the Fourth Proportional to 7,328.81, 10,111.37 and 4,677.08

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Solution

The fourth proportional to 7,328.81, 10,111.37 and 4,677.08 is: 6,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.81 : 10,111.37 = 4,677.08 : x
  2. Step 2: Convert to fraction form
    7,328.81/10,111.37 = 4,677.08/x
  3. Step 3: Cross multiply
    7,328.81x = 10,111.37 × 4,677.08
  4. Step 4: Simplify right side
    7,328.81x = 47,291,612.46
  5. Step 5: Solve for x
    x = 47,291,612.46/7,328.81
  6. Step 6: Final answer
    x = 6,452.83

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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.