Home / 9,117.10-12,581.60-4,925.35

Finding the Fourth Proportional to 9,117.10, 12,581.60 and 4,925.35

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Solution

The fourth proportional to 9,117.10, 12,581.60 and 4,925.35 is: 6,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.10 : 12,581.60 = 4,925.35 : x
  2. Step 2: Convert to fraction form
    9,117.10/12,581.60 = 4,925.35/x
  3. Step 3: Cross multiply
    9,117.10x = 12,581.60 × 4,925.35
  4. Step 4: Simplify right side
    9,117.10x = 61,968,758.93
  5. Step 5: Solve for x
    x = 61,968,758.93/9,117.10
  6. Step 6: Final answer
    x = 6,796.98

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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.