Home / 10,818.01-14,925.45-8,542.18

Finding the Fourth Proportional to 10,818.01, 14,925.45 and 8,542.18

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Solution

The fourth proportional to 10,818.01, 14,925.45 and 8,542.18 is: 11,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.01 : 14,925.45 = 8,542.18 : x
  2. Step 2: Convert to fraction form
    10,818.01/14,925.45 = 8,542.18/x
  3. Step 3: Cross multiply
    10,818.01x = 14,925.45 × 8,542.18
  4. Step 4: Simplify right side
    10,818.01x = 127,495,880.48
  5. Step 5: Solve for x
    x = 127,495,880.48/10,818.01
  6. Step 6: Final answer
    x = 11,785.52

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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.