Home / 9,275.11-12,798.63-5,295.46

Finding the Fourth Proportional to 9,275.11, 12,798.63 and 5,295.46

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Solution

The fourth proportional to 9,275.11, 12,798.63 and 5,295.46 is: 7,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.11 : 12,798.63 = 5,295.46 : x
  2. Step 2: Convert to fraction form
    9,275.11/12,798.63 = 5,295.46/x
  3. Step 3: Cross multiply
    9,275.11x = 12,798.63 × 5,295.46
  4. Step 4: Simplify right side
    9,275.11x = 67,774,633.22
  5. Step 5: Solve for x
    x = 67,774,633.22/9,275.11
  6. Step 6: Final answer
    x = 7,307.15

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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.