Home / 7,347.08-10,140.72-4,693.52

Finding the Fourth Proportional to 7,347.08, 10,140.72 and 4,693.52

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Solution

The fourth proportional to 7,347.08, 10,140.72 and 4,693.52 is: 6,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.08 : 10,140.72 = 4,693.52 : x
  2. Step 2: Convert to fraction form
    7,347.08/10,140.72 = 4,693.52/x
  3. Step 3: Cross multiply
    7,347.08x = 10,140.72 × 4,693.52
  4. Step 4: Simplify right side
    7,347.08x = 47,595,672.13
  5. Step 5: Solve for x
    x = 47,595,672.13/7,347.08
  6. Step 6: Final answer
    x = 6,478.18

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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.