Home / 7,818.52-10,790.40-4,461.34

Finding the Fourth Proportional to 7,818.52, 10,790.40 and 4,461.34

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Solution

The fourth proportional to 7,818.52, 10,790.40 and 4,461.34 is: 6,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.52 : 10,790.40 = 4,461.34 : x
  2. Step 2: Convert to fraction form
    7,818.52/10,790.40 = 4,461.34/x
  3. Step 3: Cross multiply
    7,818.52x = 10,790.40 × 4,461.34
  4. Step 4: Simplify right side
    7,818.52x = 48,139,643.14
  5. Step 5: Solve for x
    x = 48,139,643.14/7,818.52
  6. Step 6: Final answer
    x = 6,157.13

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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.