Home / 10,302.60-15,461.10-6,613.80

Finding the Fourth Proportional to 10,302.60, 15,461.10 and 6,613.80

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Solution

The fourth proportional to 10,302.60, 15,461.10 and 6,613.80 is: 9,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.60 : 15,461.10 = 6,613.80 : x
  2. Step 2: Convert to fraction form
    10,302.60/15,461.10 = 6,613.80/x
  3. Step 3: Cross multiply
    10,302.60x = 15,461.10 × 6,613.80
  4. Step 4: Simplify right side
    10,302.60x = 102,256,623.18
  5. Step 5: Solve for x
    x = 102,256,623.18/10,302.60
  6. Step 6: Final answer
    x = 9,925.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.